2 years ago

Which number replaces the box to make this a true number sentence?

Mathematics

1 answer:

valkas [14]2 years ago

8 0

Answer:

C. 5

Step-by-step explanation:

first expression 5 × (9-3) = 30

second one 45 - 3x

to make it 30 = 30

x should be = 5

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If multiply my number by 4, add -4 to the product, and then take 1/3 of the sum, the result is -6. What is my number. Show work

Furkat [3]

The amswer is -24, just gotta do division and subtration

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2 years ago

The level of the tide in a harbor changed from 9 1/4 ft to 4 1/2 ft above sea level over a period of 3 1/4 hr

kumpel [21]

Answer:

The answer is " $\bold{- \frac{19}{13} \ / hour}$ "

Step-by-step explanation:

Please find the complete question in the attached file.

Calculating the difference of $9 \frac{1}{4}\ and \ 4 \frac{1}{2}$ dividing the value by $3 \frac{1}{4}$

$\to 4 \frac{1}{2} - 9 \frac{1}{4}\\\\ \to \frac{9}{2} - \frac{37}{4}\\\\ \to \frac{18-37}{4} \\\\ \to -\frac{19}{4}\\\\\to -\frac{19}{4} \div \frac{13}{4}= -\frac{19}{4} \times \frac{4}{13} = -\frac{19}{13}\\$

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2 years ago

A giraffe can run up to 46.93 feet per second. How far could a giraffe run in 1 minute?

joja [24]

Answer: 28,345.72

Step-by-step explanation:

46.93×60

7 0

1 year ago

Claire says the expression 8x’has three terms: 8, x, and 3. Is she correct? Explain.

KatRina [158]

Answer:

Step-by-step explanation:

No because the 8x^3 is all one term since it is not separated by any signs.

8 0

2 years ago

Need help

sveta [45]

Answer:

Step-by-step explanation:

25 + 7x = 165

25 + 7(20) = 165

25 + 140 = 165

6 0

3 years ago