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3 years ago

PLZ PLZ HELP WILL MARK BRAINLIEST Select ALL the correct answers. Select all the expressions that will include a remainder.

Mathematics

1 answer:

liubo4ka [24]3 years ago

4 0

Answer: a, b, and finally d

Step-by-step explanation:

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Two times antonio's age plus three times Sarah's age equals 34. Sarah age is also five times antonio's age . How old is Sarah?

Sergio039 [100]

Let Sarah's age be s and Antonio's age be a.

According to your question,

2a + 3s = 34
s = 5a

substituting the value of s in eq. 1,

2a + 3(5a) = 34

= 2a + 15 a = 34

17a = 34

thus, a = 34/17 = 2

substituting the value of a is s,

s = 5(2)
= 10

Thus, Sarah's age is 10 years and Antonio's age is 2 years.

6 0

3 years ago

A sofa is on sale for 15% off. The sale price is $289.<br> What is the regular price?

PilotLPTM [1.2K]

Answer:

the answer is $332.35 hope this helps

6 0

3 years ago

(7*10^x)+(7*10^y)+(7*10^z)=700070.07

Ivenika [448]

Answer:

(x,y,z)=(5,1,-2) or (5,-2,1) or (1,5,-2) or (1,-2,5) or (-2,5,1) or (-2,1,5)

Step-by-step explanation:

700070.07 = 700000 + 70 + 0.07

700000 = 7*10^5

70 =7*10^1

0.07=7*10^-2

3 0

3 years ago

Read 2 more answers

What is X if X + R = S? Given R and S

Mamont248 [21]

Answer:

X = S-R

Step-by-step explanation:

I don't really know what it means, maybe what makes sense is X = S-R?

8 0

2 years ago

Read 2 more answers

What is the area of this figure?

Dima020 [189]

Answer:

$220.5 \: {yd}^{2}$

Step-by-step explanation:

Area of the figure = Area of the arc with radius 10 yd and central angle 90° + Area of rectangle with dimensions (10 + 5 - 3 = 12) 12 yd and (7 + 6 - 4 = 9) 9 yd + Area of square with dimension 4yd + Area of rectangle with dimensions 3 yd by 2 yd + Area of triangle with base 3 yd and height (5 + 3 = 8) 8 yd.

$= \frac{90 \degree}{360 \degree} \times 3.14 {(10)}^{2} + 12 \times 9 + {4}^{2} \\ + 3 \times 2 + \frac{1}{2} \times 3 \times 8 \\ \\ = \frac{1}{4} \times 314 + 108 + 16 + 6 + 12 \\ \\ = 78.5 + 142 \\ \\ = 220.5 \: {yd}^{2}$

4 0

3 years ago