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Elan Coil [88]
3 years ago
9

Norman decided to let the sister's age be x, and mike's age be x+2. he then write the equation x+x+2=30 show norman how to set u

p and solve the problem correctly

Mathematics
1 answer:
ZanzabumX [31]3 years ago
3 0
You just add the x’s up and move the 2 over to make x the subject.

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Alicia is sewing a rectangle bedspread that measures 72 inches by 60 inches. The bedspread is red with a gold circle 18 inches i
Natalija [7]

Answer:

4,066\ in^{2}

Step-by-step explanation:

we know that

The area of the bedspread that is red is equal to the area of rectangle minus the area of the circle

step 1

Find the area of rectangle

The area is equal to

A=72*60=4,320\ in^{2}

step 2

Find the area of the circle

A=\pi r^{2}

we have

r=18/2=9\ in ----> the radius is half the diameter

assume

\pi=3.14

substitute

A=(3.14)(9)^{2}

A=254.34\ in^{2}

step 3

Find the area of the bedspread that is red

Find the difference of the areas

4,320\ in^{2}-254.34\ in^{2}=4,066\ in^{2}

5 0
3 years ago
What is the result when the number 28 is increased by 75%?
Eddi Din [679]

The value will be 49.

5 0
2 years ago
Which values have exactly 2 significant figures? Check all that apply.
JulijaS [17]

ANSWER

Options B, C and D have exactly 2 significant figures.


<u>EXPLANATION</u>

To see whether the numbers have exactly 2 significant figures, round all to 2 significant figures. The ones that remains the same have exactly 2 significant figures.


302\approx 300yards to 2.s.f

980\approx 980gallons to 2.s.f

1200\approx 1200feet to 2.s.f

84\approx 84litters to 2.s.f\

6,040\approx 6,000meters to 2.s.f







8 0
3 years ago
Read 2 more answers
I know this one is hard but its hard for me. PLEASE HELPP
xenn [34]

Answer:

G. <3 and <5 hope this helps

5 0
2 years ago
Read 2 more answers
Z2+4z-165=(z-11)(z+-15)
Contact [7]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

8 0
3 years ago
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