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Dimas [21]
2 years ago
11

7 − 58z = −23 ASPA A. 9.38 B. 48 C. −24 D. 24

Mathematics
1 answer:
Hitman42 [59]2 years ago
5 0

Answer:

the given are not correct the real answer is 15/29 or 0.517...

Step-by-step explanation:

7-58z = -23

-58z = -23 -7

<u>-58z</u> =<u>-30</u> the negatives will cancel each other out

-58. -58

z = 30/58 divide both by 2

z= 15/29 which can also be equal to 0.517...

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larisa [96]

Answer:

x = 710

Step-by-step explanation:

1. Divide both sides by 2 to get x by itself

1420 = 2x

↓

1420 ÷ 2 = 2x ÷ 2

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710 = x

2. Switch sides

710 = x

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x = 710

I know it is not one of your options but that is the answer to 1420 = 2x

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3 years ago
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Answer:

She needs to do at least 8 a day

Step-by-step explanation:

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3 years ago
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Triangle ABC is similar to Triangle QRS. What is the degree measure of angle B?
GalinKa [24]

Answer:

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Step-by-step explanation:

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3 years ago
A spice store charges $2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order
zlopas [31]

Answer:

Part a) The expression is 3.2445x

Part b) Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

Step-by-step explanation:

<u><em>The complete question is</em></u>

A spice store charged 2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order.

Part a)  Write and simplify an expression to determine the cost of buying and shipping x ounces of paprika. Use 1 ounce = 28 grams

Part b) Can a customer buy 2.5 ounces of paprika and have it shipped for less than 8.00? Explain

step 1

Convert grams to ounces

Remember that

1\ oz=28\ g

To convert grams to ounces divide by 28

25\ g=25/28= 0.89\ oz

The unit price is

2.75/0.89=3.09\frac{\$}{oz}

Let

x ----> the number of ounces of paprika

y ----> the cost of buying and shipping x ounces of paprika

5%=5/100=0.05

y=3.09x+(3.09x)0.05\\y=3.09x[1+0.05]\\y=3.2445x

Part b) For x=2.5 oz

substitute in the equation

y=3.2445(2.5)=\$8.11

\$8.11 > \$8.00

therefore

Customer cannot buy 2.5 ounces of paprika and have it shipped for less than $8.00

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1/20 of 2 minutes = 6 seconds

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