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3 years ago

Which expression has a value of 35 when

Mathematics

1 answer:

Alik [6]3 years ago

7 0

Answer: the second answer 5p

Step-by-step explanation:

5xP is the same as 5x7 and 5x7 is equal to 35

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Is the given number a solution of the equation? Which value of c is a solution to the equation c = 2c – 4?

serg [7]

C - 2c = 2c - 2c - 4
c - 2c = -4
-c = -4
c = 4

5 0

3 years ago

Jillian is participating in a book-reading contest to raise funds for her local library. For every book Jillian reads, her mothe

SpyIntel [72]

The equation is y=5x
9 books =45
21 books =105

3 0

2 years ago

Mr. Jones wants to place a chimney on his roof. It is recommended that the chimney be set at a height of at least 30 feet. The h

Tom [10]

Absolute value of any number is always positive because it represent distance and distance will always positive.

To place chimney at least 30 feet , the distance along the width of the roof (x) will be x = 17.5 feet or x = 2.5 feet.

Since, The height of the roof is described by the function f(x)=−4/3|x−10| + 40

Since, minimum height is 30 feet.

So , substitute f(x)=30 in above expression.

30=−4/3|x−10| + 40

4/3|x−10| = 10

|x−10|=30/4

|x−10| = 7.5

Taking positive case,

x−10 = 7.5

x = 17.5 feet

Taking negative case,

x−10 = - 7.5

x = 10 - 7.5

x = 2.5 feet

Learn more:

brainly.com/question/14473339

7 0

1 year ago

please help. answer is 62.1m(squared) and the objects are composite! please show the work, no matter what i do i cant seem to ge

yuradex [85]

Answer:

$SA=62.1\ m^2$

Step-by-step explanation:

step 1

Find the surface area of the smaller rectangular prism

$SA=2B+Ph$

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

$SA=2[(2.5)(1.5)]+2(2.5+1.5)(1.5)$

$SA=7.5+12=19.5\ m^2$

step 2

Find the surface area of the cube

$SA=6s^2$

where

s is the length side of the cube

$SA=6(2.5^2)=37.5\ m^2$

step 3

Find the lateral area of the cylinder

$LA=\pi DL$

where

D is the diameter of the base

L is the length of cylinder

$LA=(3.14)(0.5)(3.5)=5.495\ m^2$

step 4

Find the area of the base of cylinder

$A=\pi r^{2}$

we have

$r=0.5/2=0.25\ m$ ----> the radius is half the diameter

$A=(3.14)(0.25)^{2}=0.19625\ m^2$

step 5

Find the surface are of the composite figure

we know that

The surface area of the composite figure is equal to the surface area of the smaller rectangular prism plus the lateral area of the cylinder, plus the surface area of the cube, minus the area of the two bases of cylinder

$SA=19.5+5.495+37.5-2(0.19625)=62.1\ m^2$

5 0

2 years ago

A dealer selects a card at random from a standard deck of 52 cards.

Oksanka [162]

Answer:

a) you are correct about a.

b)2/13 chance

c) 1/2 chance

please mark me as brainliest and give me a thanks and five stars please

3 0

2 years ago