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2 years ago

How do you find a cross section of a prism?

1 answer:

6 0

The cross-section is the two dimensional shape repeated throughout the prism's length. You simply work out the area of this cross-sectional shape (using your knowledge on area) and then multiply that area by the length (sometimes referred to as the depth).

<h2>Hope it helps...</h2>

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Which fraction is not equivalent to 9/12

Inessa [10]

Answer:

the second one :)

Step-by-step explanation:

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3 years ago

Ellie puts 35 quarter into stacks with the same number of quarter in each stack

ki77a [65]

Answer:

Ellie can make eight stacks of quarters with four quarters in each stack

Step-by-step explanation:

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2 years ago

($1.75+2times $0.25 +5times $0.05) times 24

Anastaziya [24]

(1.75 + 2 x 0.25 + 5 x 0.05) x 24= 17

8 0

3 years ago

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The sum of three numbers is 8. The third is 9

Ierofanga [76]

Answer:

→ First value is 1

→ Second value is 2

→ Third value is 5

Step-by-step explanation:

• let numbers be x, y and z

${ \tt{z = 8y - 9 - - - (eqn \: 1)}} \\ \\ { \tt{10x = 8y - 7 - - - (eqn \: 2)}} \\ \\ { \tt{x + y + z = 8 - - - (eqn \: 3)}}$

• from eqn 2, make x the subject:

${ \tt{x = \frac{8y - 7}{10} }} \\$

• substitute all variables in eqn 3:

${ \tt{ \frac{8y - 7}{10} + y + 8y - 9 = 8}} \\ \\ { \tt{8y - 7 + 10y + 80y - 90 = 80}} \\ \\ { \tt{98y = 177}} \\ \\ { \boxed{ \tt{ \: y = 1.8}}}$

• find z

${ \tt{z = 8y - 9}} \\ \\ { \tt{z = 8(1.8) - 9}} \\ \\ { \tt{z = 14.4 - 9}} \\ \\ { \boxed{ \tt{ \: z = 5.4 \: }}}$

• find x:

${ \tt{x = \frac{8(1.8) - 7}{10} }} \\ \\ { \tt{x = \frac{7.4}{10} }} \\ \\ { \boxed{ \tt{ \: x = 0.74 \: }}}$

Rounding to nearest value:

${ \boxed{ \rm{x = 1}}} \\ { \boxed{ \rm{y =2 }}} \\ { \boxed{ \rm{z = 5}}}$

7 0

2 years ago

A company spends 13% of its month budget on rent which total $2600 which proportion can be used to calculate the company’s total

yaroslaw [1]

Answer:

20,000

Step-by-step explanation:

We can create a proportion to find the total budget. A proportion is an equation where two ratios are set equal to each other. We create two fractions using the budget and percents.

$\frac{13}{100} =\frac{2600}{x}$

We begin solving by cross multiplying numerator to denominator of each fraction.

$13(x)=100(2600)\\13x=260000\\\frac{13x}{13}=\frac{260000}{13} \\20,000=x$

5 0

3 years ago

Read 2 more answers