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RideAnS [48]
3 years ago
15

Please help with this questions 45 POINTSSSS!

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0

Answer:

Part A is 14

Step-by-step explanation:

Novosadov [1.4K]3 years ago
5 0

Answer:

Part A answer is add 3 Part B answer is 5,15

Step-by-step explanation:

It may not be correct but all you have to do is read the diagram

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What are the values of sin α and tan α, if:<br> cosα=0.6
olganol [36]

Positive cosine is first or fourth quadrant.  So we don't know the sign of the sine or the tangent.

Everybody's favorite right triangle is 3/4/5 and here we have

\left(\dfrac 3 5 \right)^2 + \left(\dfrac 4 5 \right)^2 = 1

So if

\cos \alpha = 0.6 = \dfrac 3 5

then

\sin \alpha = \pm \dfrac{4}{5} = \pm 0.8

and

\tan \alpha = \dfrac{\sin \alpha}{\cos \alpha} = \dfrac{\pm 0.8}{0.6}=\pm \dfrac 4 3

6 0
2 years ago
What is the slope of the line that passes through the points listed in the table?
Allisa [31]

Answer:

D. -4

Step-by-step explanation:

the slope formula is

m=(y2-y1)/(x2-x1)

(x2,y2) = (4,7)

(x1, y1) = (5,3)

So (7-3)/(4-5) = 4/-1 = -4

4 0
2 years ago
Of the eggs produced by salmon,80% hatch, and of those, 25% survive to migrate to the ocean. How many eggs are needed to produce
Marina CMI [18]

Answer:

500 eggs are needed

Step-by-step explanation:

so 1/4 or the 80 percent make it to the ocean so 20 percent of total salmon make it to the ocean.

so total number of eggs x

1/5x=100

x=500

if my answer helps please mark as brainliest.

8 0
2 years ago
Read 2 more answers
What is the input value for which f(x)=3
Zina [86]

Answer:

-3

Step-by-step explanation:

Because f(x) = y so when y=3 what is input value (x)

When y is 3 x is -3

8 0
2 years ago
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How do you solve division easly​
nlexa [21]

Answer:

division involves 5 steps:

D Divide

M Multiply

S Subtract

B Bring down

R Repeat or Remainder

Step-by-step explanation: i hope it helped

4 0
3 years ago
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