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lana66690 [7]
3 years ago
7

Whats 42+87? Now, answer with tik to.k me mes

Mathematics
2 answers:
drek231 [11]3 years ago
8 0

Answer:

21

Step-by-step explanation:

I'm 100% sure it's 21 jsgsisbskwnos

Alisiya [41]3 years ago
4 0

Answer:

129

Step-by-step explanation:

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What is the quadratic in vertex form that has a vertex of (-1, 5)<br><br> Options in image
dimaraw [331]

Answer:

Third option

y = (x+1) ^ 2 + 5

Step-by-step explanation:

In this case we must write a quadratic equation in the vertex form.

We have the vertice. (-1, 5)

We know that the vertex form for a quadratic equation is:

y = (x-h) ^ 2 + k.

Where (h, k) is the vertex.

So if the vertex is (-1, 5), the equation sought is:

y = (x-(-1)) ^ 2 + 5

y = (x+1)) ^ 2 + 5

Therefore the answer is the Third option.

5 0
3 years ago
Read 2 more answers
Factor: 64v^4 - 225w^10
love history [14]

Answer:

(8v^2-15w^5)(8v^2+15w^5)

Step-by-step explanation:

STEP 1:

8^{2}v^{2*2} - 15^{2}w^{2*5}

STEP 2:

8^{2} * (v^{2})^{2} - 15^{2} * (w^{5})^{2}

STEP 3:

(8v^2)^2 - (15w^5)^2

STEP 4:

(8v^2-15w^5)(8v^2+15w^5)

6 0
3 years ago
It costs $10.99 per month for an online video streaming service. Jackie watched 28 videos in one month. What was the price per v
Kitty [74]

Answer:

Assuming it's actually charging per video, and not just for a subscription, the cost per video would be .40 (40 cents per movie)

Step-by-step explanation:

10.99 / 28 =

.3925

Which rounded up is .40

3 0
3 years ago
A migraine sufferer took Two 400mg doses of naproxen. The half-life for
12345 [234]

Answer:

If y(t) is the mass (in mg) remaining after t years, then y(t) = y(0) (0.5)^{t/T} = 400 (0.5)^{t /4}, where T is the half-life period and y(0) is the amount at t = 0 years (initial).

Then at t = 20:

y(20) = 400 (0.5)^{20 /4} = \text{12.5 mg}

Step-by-step explanation:

7 0
3 years ago
A square has an Area of 49 square feet. What is the measure of a side length? * ​
saw5 [17]

Answer: 7 feet

hope this helps, have an amazing day <3

4 0
3 years ago
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