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4 years ago

7

Oro's book club was offering a special on books this month. He bought 5 for $0.98 each and then a regular book for $19.29. His t

otal shipping cost was $14.25. What was his total cost

1 answer:

Sophie [7]4 years ago

6 0

0.98 * 5 = $4.9

total = $4.9 + $19.29 + $ 14.25 = $38.44

answer: Total cost = $38.44

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During a science experiment,the temperature of a solution in beaker 1 was 5 degrees below zero. The temperature of a solution in

GaryK [48]

Answer:
5 degrees

Step-by-step explanation:

We are given that during a science experiment
The temperature of a solution in a beaker 15 degrees below zero
The temperature of solution in a beaker 2 was opposite of the temperature in beaker 1
We have to determine the temperature of beaker 2.
It mean temperature of beaker 1 solution=-5 degrees
According to question
Temperature of beaker 2 solution =5 degrees
Hence, the temperature of solution in a beaker 2=5 degrees

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1 year ago

What is the solution set of these system5x-2y=17 and 4x-7=13?

MatroZZZ [7]

Answer:

x=5

y=4

Step-by-step explanation:

Step 1:

Let us solve for <em>x</em> using the $4x-7=13$ equation by <u>isolating terms containing the variable</u>:

$4x-7=13\\4x=20\\\fbox{x=5}$

Great! <em>x</em> is 5... let's find <em>y</em>.

Step 2:

Since we know the value of <em>x</em>, we can use what we know to find <em>y</em> using the <u>other equation</u>:

$5x-2y=17\\$

<em>Given that x=5, we can </em><u><em>replace</em></u><em> x with 5</em>.

$5*5-2y=17\\25-2y=17\\2y=8\\\\\fbox{y=4}$

<em>I hope this helps! Let me know if you have any questions :)</em>

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3 years ago

From 1900 to 2000 the average temperature in July in Atlanta was LaTeX: 90^\circ F90 ∘ F. A researcher believes due to Global Wa

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<em>*100% CORRECT ANSWERS</em>

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3 years ago

Solve and Graph:

Len [333]

Answer:

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Step-by-step explanation:

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3 years ago

The area of the square hole is 8 square centimeters. The volume of a cube shaped block is 64 cubic centimeters. Which edge lengt

damaskus [11]

<u> case a)</u> The area of the square hole is 8 square centimeters

we know that

the area of a square is equal to

$A=b^{2}$

where

b is the length side of the square

in this problem we have

$A=8\ cm^{2}$

<u>Find the length side b</u>

$b^{2} = 8 \\b= \sqrt{8} \ cm\\b= 2\sqrt{2} \ cm$

<u>the answer Part a) is</u>

the length side of the square is $2\sqrt{2} \ cm$

Part b) The volume of a cube shaped block is 64 cubic centimeters

we know that

the volume of a cube is equal to

$V=b^{3}$

where

b is the length side of the cube

in this problem we have

$V=64\ cm^{3}$

<u>Find the length side b</u>

$b^{3} = 64 \\b= \sqrt[3]{64} \\b= 4\ cm$

therefore

<u>the answer Part b) is</u>

the length side of the cube is $4\ cm$

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3 years ago