Answer:
(-2, -3)
Step-by-step explanation:
y=2x + 1
y= 0.5x - 2
2x+1= 0.5x -2
1.5x= -3
x= -2
y= 2x+ 1
y= 2(-2)+1
y= -3
The solution is (-2,-3)
The solution to the set of simultaneous equations is; (-2, -3)
We are given the equations;
y = 2x + 1 ---(eq 1)
y = 0.5x - 2 ---(eq 2)
subtract eq 2 from eq 1 to get;
0 = 2x - 0.5x + 1 - (-2)
0 = 1.5x + 3
x = -3/1.5
x = -2
Thus;
y = 2(-2) + 1
y = -4 + 1
y = -3
Read more at; https://brainly.com/question/12647791
What is the volume of the following triangular prism? (will give brainliest asap!)
Answer:
351m³
Step-by-step explanation:
13×3×9=351
Please help me with my homework! Its past due and I am having trouble on it :/
Answer:
the first one is 57
the second one is 60
3rd one is 13
4th one is 9
Step-by-step explanation:
hope this helps :) have a nice day !!
**please let me know if this was wrong**
Answer:
1) In the second step, it was supposed to multiply 9 and 2 and 36 by 3 instead of adding 9 and 3 to each other because multiplication and division comes before adding, according to pemdas.
2) In the second step, they were supposed to multiply 6 and 4 instead of subtracting 27 and 6 because multiplication comes before subtraction, according to pemdas.
3)
(43 - 20) - 2 · 5
43 - 20 = 23
23 - 2 · 5
2 · 5 = 10
23 - 10 =
13
4) 81 ÷ (13 - 4)
13 - 4 = 9
81 ÷ 9
81 ÷ 9 =
9
5) 7 · 8 - 3 · 6 + 1
7 · 8 = 56
3 · 6 = 18
56 - 18 + 1
56 - 18 = 38
38 + 1 =
39
6)
7)
8)
Step-by-step explanation:
Section 1: Explain the error in each problem below.1) Pemdas says multiplication and division comes before adding, so you must solve the multiplication in the problem first before the addition.
2) Again, as pemdas says, multiplication comes first before subtraction, so you must solve the multiplication in the problem first before the sutraction.
Section 2: Simplify the following expressions.3) (43 - 20) - 2 · 5
Pemdas says to solve the parenthesis first.
43 - 20 = 2323 - 2 · 5Now multiplication comes next (because there's no exponents).
2 · 5 = 1023 - 10Now subtraction.
23 - 10 = 134) 81 ÷ (13 - 4)
Pemdas says to solve the parenthesis first.
13 - 4 = 981 ÷ 9Now division comes next.
81 ÷ 9 = 95) 7 · 8 - 3 · 6 + 1
Pemdas says to solve the multiplication first.
7 · 8 = 56 3 · 6 = 1856 - 18 + 1Now subtraction and addition.
56 - 18 = 3838 + 1 = 396)
Section 3: Insert grouping symbols to make the statements true.7)
8)
P.S. I am updating
Determine the equation of the circle graphed below.
Answer:
(x-2)^2+(y+4)^2=34
what is 3 to the third power + 4 to the 2nd power??
Answer:
43
Step-by-step explanation:
3 to the third power is 27
then 4 to the second power is 16
you add them 27+16 and you get 43
Answer:
43
Step-by-step explanation:
3³+4²= 3*3*3+4*4=27+16=43
100 points
Find the surface area of the rectangular prism.
First of all I wanna point out a minor mistake!
this is not a rectangular prism, the base of this picture is actually the side facing us and the back side. Making this a triangular prism.
We can start by finding the 2 triangles which are the bases.
Each triangle have area:10*24/2
Now because there are 2 same triangles we can get rid of the /2 and get the area of the triangles in the diagram is 10*24=240
We could do the other three sides 1 by 1, let's start with the side on the left of the shape. It has area 24*19=456 because the bottom is a rectangle so we could just use the 19.
Now we can do the side that is diagonal and on the right. It has area of 26*19=494.
Now just 1 more side the bottom, it has area of 10*19=190. Everything is in cm^2 as a unit because we are dealing with area.
Now we just need to add everything together.
240+456+494+190= 1380
Hope it helps! any questions about my answer please just leave in the comment I will get to it when I have time.
Answer:
your answer is 1380
Step-by-step explanation:
240+456+494+190= 1380
Which expression is equivalent to 8 - (6r + 2)?
-6r + 6
2r + 2
6r + 10
-6r + 10
Answer:
6r + 6
Step-by-step explanation:
Answer:
6r+6
Step-by-step explanation:
Distribute the negative to the parenthesis
8-6r-2
Combine like terms
6r+6
im so mad rn bc i dont get this please HELP
Answer:
X is 26
Step-by-step explanation:
Hahahah don't be mad
One straight line is 180°
So
2x-10+5x+8 = 180
7x = 180-8+10
X = 26
Of those who like to fish, what percent are ages 13-18?
Answer:
B.) 42.9
Step-by-step explanation:
The percent that we are trying to find out is 12/28
I know this because if you add the 12 and 16 which is the total amount of people given then it leaves us with an amount of 28 people. Since we are trying to find the percent of the number of people who like fish we have to divide the total by 12 (the number of people who like fish)
Anyways 12 divided by 28 = 42.857etc.
If we simplify this then that gives us our answer of B.) 42.9
Nun the same without u, U stoke in my mind. I can't stop think about u. I can't go to sleep. imma wake 24/7 . I'll be call-in my homie to punch me to sleep. That shii hurts. I see ur face on my walls staring at me . Lucid Dreams, Lucid Dreeeaams . My head going crazy. I think I'm going insane. I- I- I can't stop thinking about u. I take pills for this shii. um oh oh ahhaa. I got Draco on my side.
Answer:
uhhhhhhh nice
Step-by-step explanation:
Answer:
Just why
Step-by-step explanation:
im being timed so please help-
Answer:
2 and 4 I am pretty sure. hopeful that's correct.
solve the quadratic equations below.
3x2 + 22x + 35 = 0
Step-by-step explanation:
3x² + 22x + 35 = 0
(3x + 7)(x + 5) = 0
3x + 7 = 0
x = -7/3
or x+5 = 0
x = -5
1233+12×19÷3=
çözüm bakalım ???
Answer:
1309
Step-by-step explanation:
1233 + 12 x 19 / 3 =
1233 + 228 / 3 =
1233 + 76 = 1309
Hope that helps!
Answer:
1,309 eso es con la calculadora sale
(c) Expand and simplify
(x-6)(x+9)
Answer:
x^2 +3x -54
Step-by-step explanation:
Use the method FOIL
(First, Outer, Inner, Last)
1. Multiply the 1st terms in bracket 1 and the 1st term in bracket 2:
(x × x)
2. Multiply the 1st term in bracket 1 and the 2nd term in bracket 2:
(x × 9)
3. Multiply the 2nd term in bracket 1 and the 1st term in bracket 2:
(-6 × x)
4. Multiply the 2nd term in bracket 1 and the 2nd term in bracket 2:
(-6 × 9)
5. You'll get the answer:
(x^2 + 9x - 6x - 54)
(x^2 + 3x -54)
54 out of 180 as a percentage
Please show you working
High points and I will brainliest youuuuuu
Answer:
30%
Step-by-step explanation:
54 / 180 x 100% = 30%
Answer:
30% g;jujhklki/;k/lh
please help! Ill mark brainliest if correct! help ASAP
Answer: 615
Step-by-step explanation: brainliest please
Triangle ABC is graphed on the coordinate plane below. What is the approximate length of segment AB in units.
Answer:
5 units
Step-by-step explanation:
Count from point A to point B on the x-axis.
can someone please help me
Answer:
A. 3*6-4-4
Step-by-step explanation:
He starts with 3 rows of 6 eggs, which can be shown in the formula 3*6, and each time he is taking away 4 eggs and hew does that twice so the only logical explanation is A. 3 x 6 - 4 - 4.
A factory makes 450 pies every day.
The pies are chicken pies or steak pies.
Each day Milo takes a sample of 15 pies to check.
The proportion of the pies in his sample that are chicken is the same as the proportion
of the pies made that day that are chicken.
On Monday Milo calculated that he needed exactly 4 chicken pies in his sample.
Work out the total number of chicken pies that were made on Monday.
55% of the band play a bass instrument if there was 120 students in the band how many played bass instruments?
Answer:
66 students
Step-by-step explanation:
To find how many played bass instruments, multiply 120 by 0.55
120(0.55)
= 66
So, 66 students played bass instruments
How many numbers are reciprocals of themselves?
Answer:
2
Explanation:
In short terms, there are two numbers that are reciprocals of themselves, 1 and -1. According to euler's identity, e^(-i*2*pi) is a reciprocal of itself, but I believe that is beyond the scope of this question.
the two lines y+7x=14 and y+5=-7x are:
a)parallel
b)perpendicular
c)neither
Answer:
(a)parallel
Step-by-step explanation:
they have the same slope so they're parallel
5x + 1 = 11
What is the first step?
Answer:
subtract 1 from both sides... then divide 5 both sides
D
The diagram shows triangle PQR.
Submit An
65°
P
PSR is a straight line.
size of angle PQS : size of angle SQR = 3:1
43°
S
R
Work out the size of angle PSQ.
+
Total marks: 4
Answer:
we need to diagram to answer this question for you, can you show us a picture of the diagram please?
Solve for v.
-8 = v + 4
Answer:
v=-12
Step-by-step explanation:
-8=v+4
-4 -4
-12=v
Answer:
v = -12
Step-by-step explanation:
We have the equation v + 4 = -8
Subtract 4 from both sides.
v + 4 - 4 = -8 - 4
+4 and -4 cancel one another out.
We get v = -12.
I would appreciate brainliest but if not that's ok!
Which graph shows a line with a slope 3/2?
Answer:
C I think, im not sure but sorry if im wrong
Step-by-step explanation:
Answer:
Graph B.Step-by-step explanation:
Graph A. is too low and graph C. is too steep.
Also we know that 3/2 is equal to 1.5. This means that it will be a little more than y = x. So if we look at point (2,2), the line is not at that point, but the line is a little higher.
An extended graphs can be seen below
Pleaseee helppp answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Answer:
NQ is perpendicular to OM
Step-by-step explanation:
NQ is perpendicular to OM
when graphing an inequality, you use an open dot when you use which symbol?
Answer: when it’s a less than or greater than
Step-by-step explanation:
Find the missing terms in each geometric sequence. 7,1,__,__,1/343,
Answer:
1/7, 1/49
Hope this helps you.
Find the value of x.
Enter your answer
Step-by-step explanation:
x+30+90=180 sum of angle of triangle
x=180-120
x=60
HELP HELP HELP DUE IN 12 mins
Answer:
We can't seee the whole problem...
Step-by-step explanation: