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Deffense [45]
3 years ago
12

8x + 6x - 5x I need help​

Mathematics
2 answers:
attashe74 [19]3 years ago
7 0
The solution is 9X

Like if I am right
uysha [10]3 years ago
3 0

Answer:

I dont get this

Step-by-step explanation:

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Pls help. What is the appropriate congruent for these triangles
tekilochka [14]

Answer:

ASA

Step-by-step explanation:

In given triangle

Line BC = Line QR

Angle ABC = Angle PQR

Angle ACB = Angle PRQ

Computation:

Angle ABC = Angle PQR (Angle)

Line BC = Line QR (Side)

Angle ACB = Angle PRQ (Angle)

So,

ΔABC ≅ ΔPQR

By Angle Side Angle property

ASA

5 0
2 years ago
Help me find Sample variance and standard deviation
AnnZ [28]
First, find the mean. You'll need it to compute the variance.

\bar x=\displaystyle\frac15\sum_{i=1}^5x_i=\dfrac{21+10+6+7+11}5=11

The variance of the sample is then computed with the formula

s^2=\displaystyle\dfrac1{5-1}\sum_{i=1}^5(\bar x-x_i)^2=\dfrac{(21-11)^2+\cdots+(11-11)^2}4=\dfrac{71}2=35.5

The standard deviation is the square root of the variance, so

s=\sqrt{35.5}\approx5.958
5 0
3 years ago
Write the exponent for the expression. <br> 1/8 x 1/8
kompoz [17]

Answer:

8^{-2}

Step-by-step explanation:

2^{-2} = 1/4

So:

8^{-2} = 1/8*1/8

5 0
3 years ago
Gary wants to buy a bicycle that usually sells for $74.99. The store is having a sale and all merchandise is discounted by 25%.
NeX [460]

Answer:

B. $56.24

Step-by-step explanation:

74.99 x 7.5%=5.62425

5.62425 x 10= 56.24

7 0
2 years ago
What is the value of x/4y , when x = 16 and y = 2 worth 20 pts pls help quick
igomit [66]
The answer to your question is b. 2
4 0
3 years ago
Read 2 more answers
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