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Vinvika [58]
3 years ago
15

Find the cosine of ∠J.

Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer:

\cos =  \frac{base}{hypotenuse}  =   \\ \cos(j)  =  \frac{ \sqrt{29} }{ \sqrt{94} }    =   \sqrt{ \frac{29}{94} }  \\ answer =  \sqrt{ \frac{29}{94} }

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3y^2+y^- 5+ 4y+2y^3+8
kirill115 [55]

Answer:

9y+3

Step-by-step explanation:

you add all the common numbers and you end up with:

9y^6+3+y^-5

then you put the y^-5 under the other numbers and make it positive so it becomes:

9y^6+3/y^5, then you subtract the exponents of y: 6-5, so that cancels out the y on the bottom making it:

9y+3

4 0
3 years ago
If the temperature is -9 and it rises by 15 degrees, what is the new temperature
Rudik [331]
It would be 6 degrees
8 0
4 years ago
Read 2 more answers
Type the missing number in this sequence:<br> -2,<br><br> -50,<br> -250, <br> -1,250, <br> -6,250
bazaltina [42]

Answer:

the next is -2 × 5 = - 10

Step-by-step explanation:

the sequence is times 5

5 0
3 years ago
PLS HELP Find the area of the shaded region. PLEASE
anastassius [24]
<h3>Answer:   64 cm^2</h3>

Reason:

The parallelogram has area of A = base*height = 10*7 = 70 cm^2

The white rectangle has area of B = base*height = 3*2 = 6 cm^2

The shaded region has area of A - B = 70 - 6 = 64 cm^2

If you are curious why the rectangle and parallelogram use the same formula to get the area, notice how you can move that triangle on the left toward the right side so that a rectangle can be formed.

6 0
3 years ago
Help help help help help help​
timama [110]

Answer:

it's 1/7^2

Step-by-step explanation:

When multiply bases with exponents, as long as they are the like bases, you add the exponents. 7^3 x 7^-5 = 7^-2.

When you have a negative exponent, you can get rid of it by moving it to a fraction. put a 1 over the base and exponent and drop the negative, so 1/7^2

4 0
3 years ago
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