MATHEMATICS HIGH SCHOOL

Christine asks you for some help on her math homework by showing you the problem and answer she got.2x(3x - 1) = 5x2 - 1.0
Is Christine correct with her homework problem? Explain your reasoning,

Answers

Answer 1
Answer:

Answer:

gusto mo lah asa ka ehh

umalis ka ga

ehh kaa

erita

papasok ba si maam

may p.e ba gaun zumba nanaman

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If Tara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?a. 680%
b. 6.8%
c. .68%
d. 8.6%

Answers

carpayment/all=what%
219/3200=x%

percent means parts out of 100 so
x%=x/100

219/3200=x/100
times 3200 both sides
219=32x
divide both sides by 32
6.84375=x

6.84375%

B

Solve each system using substitution x=-2y=1 x=y-5

Answers

You solve either one for y,but I chose the second one.
Add 5 to both sides and you get
X+5=y
Plug this in to the first equation
X=-2(x+5)+1
I am assuming that is plus one instead of equal since the keys are near each other on a phone.
Back to the math: use the distributive property to get
X=-2x-10+1 now combine terms
X=-2x-9
Add 2x to both sides to get
3x=9
Divide both sides by 3 to get
X=3
Now plug 3 in as x in any of the above
I will choose the second one again
So 3=y-5 subtract 5 from both sides to get
Y=8
So the solution is (3,8)

Complete the equation of the graphed linear function in point-slope form.y – (–2) = ? (x – ?)

Answers

The point-slope form:
y-y_1=m(x-x_1)
m - slope
x₁, y₁ - the coordinates of a point

It passes through the points (1,-2) and (2,2).
(1,-2) \nx_1=1 \n y_1=-2 \n \n(2,2) \nx_2=2 \n y_2=2 \n \nm=(y_2-y_1)/(x_2-x_1)=(2-(-2))/(2-1)=(2+2)/(1)=4

\boxed{y-(-2)=4(x-1)}

The number 2 in the expression 5 +2x is called the coefficient of x.how does changing the coefficient to 6 change the meaning of the expression

Answers

Answer:

would that be 12

Step-by-step explanation:

Translate the following words to algebra symbols, using "n" as the variable. The product of six and a number is 24.

Answers

so n will be the unknown, and the expression is:
6n = 24
from where we can find the number n:
n = 24/6
n = 4

The surface area of a cube is 2.535 m2. Which statements are true about the same cube measured in square centimeters?


Choose all answers that are correct.


A.
The number representing the surface area would decrease.


B.The number representing the surface area would increase.


C.
The actual surface area would decrease.


D.
The actual surface area would increase.


E.
The actual surface area would stay the same.

Answers

Given:
Surface area of a cube = 2.535 m²

convert square meters to square centimeters:
1 square meter = 10,000 square centimeters

2.535 m² * 10,000 cm²/m² = 25,350 cm²


B.The number representing the surface area would increase.
(from 2.535 to 25,350)

E.The actual surface area would stay the same.
(only the units used differ).
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