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svetlana [45]
2 years ago
14

9. Food Bill: $74.50 Tax: 7.5% Tip: 20%

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
5 0

Answer:

This is not  question but I think the question might be what the total cost is 95.50

Step-by-step explanation:

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What is the value of z , when c is 8 ?<br><br> z = 99 + 7 c2
likoan [24]

Answer:

211

Step-by-step explanation:

3 0
3 years ago
What is the volume of a microwave oven that is 18 inches wide by 10 inches long with a depth of 11 1/2 inches?
ivann1987 [24]

Answer:

2070 inches

Step-by-step explanation:

V = W x L x D

  = 18 x 10 x 11.5 = 2070 inches

7 0
3 years ago
Please Help Me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
GuDViN [60]

Answer:

(-2, 11) and (2, 3)

Step-by-step explanation:

<u>Given system of equations:</u>

1) f(x) = x² - 2x + 3 ⇒ y = x² - 2x + 3

2) f(x) = -2x + 7 ⇒ y = -2x + 7

Solve Using the Substitution Method:

<u>Step 1:</u> Substitute the the first equation into the second.

⇒ x² - 2x + 3 = -2x + 7

<u>Step 2:</u> Solve for x.

x² - 2x + 3 = -2x + 7 [ Add 2x to both sides. ]

x² - 2x + 2x + 3 = -2x + 2x + 7

⇒ x² + 3 = 7 [ Subtract 3 from both sides. ]

x² + 3 - 3 = 7 - 3

⇒ x² = 4 [ Take the square root of both sides. ]

√x² = √4

x = ± 2

⇒ x = -2, x = 2

<u>Step 3:</u> Solve for y.

<em>Substitute the found x-values into one of the given equations.</em>

y = -2x + 7 ⇒ y = -2(-2) + 7 ⇒ y = 4 + 7 ⇒ y = 11

y = -2x + 7 ⇒ y = -2(2) + 7 ⇒ y = -4 + 7 ⇒ y = 3

The solutions to the system of equations are: (-2, 11) and (2, 3).

Learn more about system of equations here:

brainly.com/question/26094713

brainly.com/question/27850666

5 0
2 years ago
Read 2 more answers
Find the value of 7u+7 given that -3u-5=4
Serga [27]

Answer:

14

Step-by-step explanation:

-3u = 4+5

-3u = 9

u = -3

7u + 7

7(u +1) = 7(-3+1)

7(-2)

14

3 0
2 years ago
A total of 2 yards of fabric is used to make 5 identical pillows. How much fabric is used for each pillow? in a sentence
SpyIntel [72]

Answer:

.4 yards of fabric were used for each pillow.

Steps:

2/5=0.4 (or \frac{2}{5})

6 0
3 years ago
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