2 years ago

Define a variable and write an expression for the phrase. 7 less than a number

Mathematics

1 answer:

Oduvanchick [21]2 years ago

5 0

Answer:

Step-by-step explanation:

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Evaluate the expression. [(8 x 7) – 2): 9

frozen [14]

Answer:

☑ Answer is 6

Step-by-step explanation:

${ \tt{ \{(8 \times 7) - 2 \} : 9}} \\ = { \tt{(56 - 2) :9 }} \\ = { \tt{54 :9 }}$

» But this is a ratio, so it can be expressed in terms of fractions:

$= { \tt{ \frac{54}{9} }} \\$

» Divide both the denominator and numerator by 9:

${ \tt{ = \frac{54 \div 9}{9 \div 9} }} \\ \\ = { \tt{ \frac{6}{1} }} \\ \\ = 6$

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3 years ago

Solve the following equation. 14 + (2x + 7) = 9x x=

Dvinal [7]

Answer:

x=1

Step-by-step explanation:

14+2x+7=9x

2x-9x=7-14

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x=1

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3 years ago

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There is probability of 7/8 of not getting yellow.

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3 years ago

How do you graph x = 40?

Pani-rosa [81]

Answer:

Step-by-step explanation:

Draw an infinite vertical line on the +40 x axis.

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3 years ago

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Michael wants to find the length of the shadow of a tree. He measures the height of a fencepost and the length of the shadow it

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The shadow of the tree is about 17.955 feet long.

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