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3 years ago

How do I do this ? I don’t understand

Mathematics

1 answer:

juin [17]3 years ago

6 0

It's just dividing out the factoring to their simplest form.
The bold numbers are the answers that go in the circles.

1. 16 < 8 and 2
8 < 2 and 4
4 < 2 and 2

2. 42 < 14 and 3
14 < 7 and 2

3. 40 < 2 and 20
20 < 10 and 2
10 < 2 and 5

4. I'm not able to see the rest of the factoring tree

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Your answer should be a polynomial in standard form. (7h^3+8h) -(9h^3+h^2-2h)=(7h 3 +8h)−(9h 3 +h 2 −2h)

Snowcat [4.5K]

2h^3+h^2-8h=0 is in standard form

6 0

3 years ago

A right triangle as shown below

anastassius [24]

Answer:

sin a = 7/25

cos a = 24/25

tan a = 7/24

Step-by-step explanation:

Trig. How wonderful. I get tripped up on these types of problems some times, so I decided to try to help! To start, write out the three ratios.

SOH (sine=opposite/hypotenuse) CAH (cosine=adjacent/hypotenuse) TOA (tangent=opposite/adjacent)

Then, label the triangle with “hypotenuse” “adjacent” and “opposite.” This helps us correctly use and find the raitos. Then, use these ratios to find out the ratios of A!

sin a = 7/25

cos a = 24/25

tan a = 7/24

If needed, just divide the ratios to get their decimal form!

6 0

3 years ago

Xavier collected 12 shells at the beach. Nora collected 5 fewer than Xavier. How many shells did Nora collect?

Ulleksa [173]

Answer:

7, Nora collected 7 shells.

Step-by-step explanation:

Xavier collected 12 shells whilist she collected 5 fewer then Xavier.

12 - 5 = 7

Therefore, Nora collected 7 shells at the beach.

8 0

3 years ago

Use the zeros of the following quadratic to find the x-value of the vertex.

frez [133]

(x-1)^2 is the factored version, so vertex is at 0, which is 1, so, A

6 0

3 years ago

A train leaves Boston at noon going to NYC at a speed of 60 mph. Two hours later, an express train leaves NYC going to Boston at

lana66690 [7]

Train A: Speed of 60 mph. (1 mile per minute)

Train B: Speed of 90 mph. (1.5 miles per minute)

after 2 hours: (2:00)

Train A has gone 120 miles. (half-way mark)

Train B has gone 0 miles.

Hour 2:48: (2:48)

Train A has gone 168 miles.

Train B has gone 72 miles.

72 ----><---------------168

At 2:48 P.M the two will meet. 72+168=240

I hope this helps! :)

4 0

2 years ago