MATHEMATICS MIDDLE SCHOOL

Find the value 6-4x=7x-9x-2
the value of x is?

Answers

Answer 1
Answer: 6-4x=7x-9x-2\n-4x-7x+9x=-2-6\n-2x=-8\ /:(-2)\n\n.\ \ \ x=4

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Two fractions have a common denominators of 8. What could the two fractions be?
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Karin wants to use the distributive property to find the value of 19 • 42 + 19 • 58 mentally. Which expression can she use?a. 19 x(42 + 58)
b. 19 x(42 x 58)
c. (19 + 19) • (42 + 58)
d. 19 • 19 • (42 + 58)

Answers

The answer is a. 19 x(42 + 58). In the expression 19 * 42 + 19 * 58, the common factor is 19. So, it can be taken out and the other factor of each binomial can be put into parenthesis. The general form will be: x * a + x * b = x * (a + b) where x is the common factor. In our expression: 19 * 42 + 19 * 58 = 19 * (42 + 58).

Answer:

19 x (42 + 58)

Step-by-step explanation:

The common term is 19!

Solve the following nonlinear system algebraically.\left \{ {{y-9=2x} \atop {5x^2+y^2=54}} \right.

Answers

Answer:

x=-1,y=7

x=-3,y=3

Step-by-step explanation:

y=2x+9

5x^2+(2x+9)^2=54

0=(3x+9)(3x+3)
y-9=2x
-9 -9
y=2x+9
5x2+(2x+9)^2=54


(-3, 3)
(-1, 7)

At basketball practice you made 21 out of 80 shots. Which choice is closest to the percentage of shots you made?20%


25%


30%


40%

Answers

Since this is a percentage, all you have to do is divide 21 from 80 and multiply that by 100
 21/80 = .2625 * 100 is 26.25

The answer closest to this is 25%, so the answer is 25%

Hope this helped! :D
it is clsest to 25% because it actually is 26.25 %

have students write a story that can be solved by finding the sum of 506,211 and 424,809 have them solve the problem

Answers

You can say that you got payed 506211$ and then for a bonus you got 424809$ and in all you got 931020$

How is 40 gummy bears for 5 dollars written as a fraction?

Answers

40/5 because to find the answer you would divided them
40/5 you'd have to divide them together to see how much each gummy bear cost.

What is the volume of the cylinder below?15
12
A. 2160 units 3
B. 56072 units3
C. 1080 units 3
D. 360 units 3

Answers

The volume of cylinder is 2160 units^(3).

What is volume?

Volume is the measure of the capacity that an object holds.

What is the formula for the volume of cylinder?

The formula for the volume of cylinder is

v = \pi r^(2)h

Where,

V is the volume of cylinder.

r is the radius of cylinder.

h is the height of cylinder.

π = 3.14

According to the given question

Height of the cylinder, h = 15 units

Radius of the cylinder, r = 12 units

Therefore, the volume of the cylinder is given by

v = \pi (12)^(2)(15)

v = π × 144 × 15

V = 2160π units^(3)

Hence, the volume of cylinder is 2160 units^(3).

Learn more about the volume of cylinder here:

brainly.com/question/16134180

#SPJ2

hello,

here is your answer:

**********

volume of cylinder = \pir²h

radius = 12 units

height = 15 units

volume = r² × h × \pi

= 12² × 15 × \pi

= 144 × 15 × \pi

= 2160 × \pi

ans = A. 2160\pi units³

**********

hope this helped,

:)
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