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Triss [41]
2 years ago
11

ASAPPP TIMED QUIZ

Mathematics
2 answers:
Serjik [45]2 years ago
8 0
I think they answe is either c or d probably c
Lemur [1.5K]2 years ago
5 0

Answer:c.-2.5 is answer

sorry I cannot do this.I didn't found z over here. I think question is

.25^(z+ 4) = 125

5^(2z+8)=5³

again

2z+8=3

2z=3-8

2z=-5

z=-5/2=-2.5

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Jackson bought 3 pounds of candy for $9.60.
Yakvenalex [24]

Answer:

to find for one divide 9 dollars 60 pounds by 3 to get the coast of one candy

4 0
2 years ago
HELP ME ASAP PLEASEEEE, EXPLAIN;(
olga_2 [115]

Answer:

<1=73

Step-by-step explanation:

All triangles add up to 180 degrees!

Add 20 and 87

20+87=107

Subtract 107 from 180

180-107=73

Hope this helps! :)

6 0
2 years ago
(b)<br> Using the formula 2T = M + 3K, find the value of K when T = 11 and M = 4.
Sunny_sXe [5.5K]

Answer:

K = 6

Step-by-step explanation:

Plug in what the letter equals to

Equation will look like:

2(11) = 4 + 3k  or  3k + 4 = 2(11)

multiple the 2 by 11 and get 22

3k + 4 = 22 subtract the 4 so it can leave the 3k alone

22 - 4 = 18 now divide 3 from k and do it in the other side

18/3 = 6

so K = 6

4 0
3 years ago
PLEASE HELP!!!!!! 7TH GRADE MATH SO IT SHOULD BE EASY FOR SOME OF YALL. write the expression below as a product of two factors
Cloud [144]

Answer and Step-by-step explanation:

6(2x + 3y - 10) is the answer.

This is because 6 can be taken out from all 3 numbers, and will create these two factors, the factors being 6 and (2x + 3y - 10).

#teamtrees #WAP (Water And Plant)

5 0
2 years ago
Read 2 more answers
I don't need you to work it out, just theorem(s) i need to reach the answer :)
VikaD [51]
Not sure why such an old question is showing up on my feed...

Anyway, let x=\tan^{-1}\dfrac43 and y=\sin^{-1}\dfrac35. Then we want to find the exact value of \cos(x-y).

Use the angle difference identity:

\cos(x-y)=\cos x\cos y+\sin x\sin y

and right away we find \sin y=\dfrac35. By the Pythagorean theorem, we also find \cos y=\dfrac45. (Actually, this could potentially be negative, but let's assume all angles are in the first quadrant for convenience.)

Meanwhile, if \tan x=\dfrac43, then (by Pythagorean theorem) \sec x=\dfrac53, so \cos x=\dfrac35. And from this, \sin x=\dfrac45.

So,

\cos\left(\tan^{-1}\dfrac43-\sin^{-1}\dfrac35\right)=\dfrac35\cdot\dfrac45+\dfrac45\cdot\dfrac35=\dfrac{24}{25}
7 0
3 years ago
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