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Inga [223]
2 years ago
9

The midpoint of a segment with endpoint (8, a) and (b, 4) is (−1, −1).

Mathematics
1 answer:
Elanso [62]2 years ago
8 0

Answer:a =23

Step-by-step explanation:

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Law of cosines.Anyone good in Trigonometry?​
marin [14]

Answer:

c=11.8\ units

Step-by-step explanation:

we know that

The formula of law of cosines is equal to

c^2=a^2+b^2-2(a)(b)cos(C)

where

a, b and c are sides. C is the angle opposite side c

In this problem we have

a=3\ units\\b=10\ units

C=120^o

substitute the given values

c^2=3^2+10^2-2(3)(10)cos(120^o)

c^2=109-(60)cos(120^o)

c^2=109-(60)(-0.5))

c^2=109+30

c^2=139

c=11.8\ units

3 0
2 years ago
If 6 bags of chocolate chips are needed to make 86 cookies, how many cookies can 8 bags chocolate chips make?
gulaghasi [49]

Answer:

114.666666667

Step-by-step explanation:

Step 1:

6/86 = 8/x        Equation

Step 2:

6x = 688        Multiply

Step 3:

x = 688 ÷ 6    Divide

Answer:

x = 114.666666667

Hope This Helps :)

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B5%7D%20p%20%2B%206%20%3D%20-%5Cfrac%7B1%7D%7B3%7Dp%20-3" id="TexFormula1" tit
Likurg_2 [28]
P= - 135/7 I am pretty sure that’s the answer
8 0
2 years ago
NEED HELP ASAP
antoniya [11.8K]

answer= x=20

Step-by-step explanation:

We have, 35% × x = 7

or,  

35

100

× x = 7

Multiplying both sides by 100 and dividing both sides by 35,

we have x = 7 ×  

100

35

x = 20

If you are using a calculator, simply enter 7×100÷35, which will give you the answer.

5 0
2 years ago
Read 2 more answers
you deposit 300 in an account that pays 5 1/2% annual interest compounded cnyinuously find the balance at the end of 5 years
algol [13]
First find the multiplier: 5.5% + 1 = 1.0505.

Then we do amount x (multiplier) to the power of how many years.

300 x (1.0505)^5

The answer is <span>383.79696707. 

We round this to 2dp, making it £393.80

REMEMBER UNITS!!!

Hope this helps xox :)</span>
7 0
2 years ago
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