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MA_775_DIABLO [31]
3 years ago
13

I NEED HELP ASAP ITS DUE RN

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:

x = 16

Step-by-step explanation:

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What is the area of a semicircle with a diameter of 10 cm?
Irina18 [472]

Answer:

<h2>39.27 cm²</h2><h2 />

Step-by-step explanation:

area of semi circle = π r² / 2

where r = 10/2 = 5 cm

area = π (5)² / 2

        = 39.27 cm²

7 0
3 years ago
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Which of the following are solutions to the equation below?
katrin2010 [14]

First simplify then solve.

4x^2+20x+25=49 \\4x^2+20x-24=0 \\4(x^2+5x-6)=0 \\x^2+5x-6=0\Longrightarrow(x+6)(x-1)=0 \\\boxed{x_1=-6, x_2=1}

We find there are two solutions. In your case the correct answers are A, C, D

Hope this helps.

r3t40

Hope this helps.

r3t40

7 0
3 years ago
Evaluate −x2+4x+1 when x=−2.
Misha Larkins [42]
Y = -(-2)^2 + 4(-2) + 1
y = -4 - 8 + 1
y = -11
6 0
3 years ago
Sonja and jake just got married. They received $4500 in gift money and deposited it into a savings account that pays 2.85% simpl
zubka84 [21]

Answer:


Step-by-step explanation:

i=prt

i=?

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equals=384.75

hoped it helped


4 0
3 years ago
Read 2 more answers
What is 2x 69? i don’t know what it is
Naddik [55]
I think you meant to write 2* 69
X is confusing
But I think you meant multiplication problem so the answer is

2 times 69 = 138
8 0
3 years ago
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