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Makovka662 [10]
2 years ago
13

PLS HELP: SEVENTH GRADE MATH

Mathematics
2 answers:
TiliK225 [7]2 years ago
8 0

Answer:x=15

Step-by-step explanation:3x15=45

45+45=90

GuDViN [60]2 years ago
6 0
X=15
45 divided by 3 equals 15
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The cross-sectional areas of a triangular prism and a right cylinder are congruent. The triangular prism has a height of 5 units
Yanka [14]

Answer:

Step-by-step explanation:

The volume of the prism is not equal to the volume of the cylinder.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the cross sectional areas of a triangular prism and a right cylinder.

Volume of cylinder = cross sectional area * height = 3 * x = 3x

Volume of triangular prism = cross sectional area * height = 5 * x = 5x

The volume of the prism is not equal to the volume of the cylinder.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

7 0
2 years ago
How chips and number lines support the answer of 4+(-8)
777dan777 [17]
Chips and number lines support the answer because they can show the answer
3 0
3 years ago
A(c−b)=d solve for c
Rainbow [258]

Answer:

The solution to this equation could not be determined.

Step-by-step explanation:

Simplifying

a(c + -1b) = d

Reorder the terms:

a(-1b + c) = d

(-1b * a + c * a) = d

(-1ab + ac) = d

Solving

-1ab + ac = d

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Combine like terms: d + -1d = 0

-1ab + ac + -1d = 0

The solution to this equation could not be determined.

4 0
2 years ago
If Natalie walked 3/5 in 1/2 hour, how fast did she walk, in miles per hour?
melisa1 [442]
She walked .6 mph because 3/5 x 2= 6/10
1/2 x 2=1

6 0
3 years ago
If f(x)=x+8 and g(x)=-4x-3 find (f+g)(x)
nydimaria [60]

Answer:

for this case we have the following functions:

f (x) = x + 8

g (x) = -4x - 3

Subtracting the functions we have:

(f - g) (x) = f (x) - g (x)

(f - g) (x) = (x + 8) - (-4x - 3)

Rewriting:

(f - g) (x) = x + 8 + 4x + 3

(f - g) (x) = 5x + 11

Answer:

D. (f - g) (x) = 5x + 11

7 0
3 years ago
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