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TEA [102]
3 years ago
5

Please help, multiple choice

Mathematics
1 answer:
klasskru [66]3 years ago
7 0

Answer:

D. 9, 12, 15

Step-by-step explanation:

You can use the Pythagorean Theorem to solve.

a^2 + b^2 = c^2

9^2 + 12^2 = c^2

81 + 144 = 225

Remember, c is squared.

The square root of 225 is 15.

D is the only answer that is correct.

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4x−2​(x−4​)=−3+4x+5 please I need help
love history [14]

Answer:

x=3

Step-by-step explanation:

4x−2(x−4)=−3+4x+5

4x+(−2)(x)+(−2)(−4)=−3+4x+5

4x+−2x+8=−3+4x+5

(4x+−2x)+(8)=(4x)+(−3+5)

2x+8=4x+2

2x+8−4x=4x+2−4x

−2x+8=2

−2x+8−8=2−8

−2x=−6

−2x /−2 = −6 /−2

x=3

3 0
3 years ago
Read 2 more answers
Can some help me with this, it’s urgent pls? It’s geometry
Mama L [17]
6. the name is circle x (due to the central point)
7. the diameter is segment WY
8. radius is 1/2 of the diameter so 1/2(15) = 7.5 meters
9. diameter is 2 times the radius so 2(4) = 8 cm
10. segment XW, segment XZ, segment XY
11. arc YW, arc WZ, arc ZY
7 0
2 years ago
What is the area of this figure?
sergiy2304 [10]

1.5 \times 3 = 4.5 \:  {(km)}^{2}

3 0
3 years ago
What is the derivative of y=ln(ln(x))?
Marysya12 [62]
Y=ln(ln(x)) y'=(1/x)/Ln(x)=1/xln(x)
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3 years ago
Mrs. Chan buys a new car for $21,000. She pays a sales tax of $0.06 for every $1. She pays a property tax of $16.80 on every $1,
lianna [129]

Answer:

$1612.80

Step-by-step explanation:

<u>Sales Tax</u> would be 0.06 * 21,000 = $1260

<u>Property Tax:</u>

16.80 for every 1000, so how many "1000"s are there in 21,000? Simple, 21 of them.

So the property tax would be 16.80 * 21 = $352.80

Hence, total taxes (for the year) = 1260 + 352.80 = $1612.80

4 0
3 years ago
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