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Shtirlitz [24]
4 years ago
14

Just for the bottom 2 please

Mathematics
1 answer:
Luda [366]4 years ago
8 0

Answer:

c is 35

d is 13

Step-by-step explanation:

I multiplied both sides, and then simplified the equation.

( plz give me brainliest, that would be most appreciated! )

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What is the correct way to read 309.48
rodikova [14]

Three hundred and nine point four eight.

6 0
3 years ago
Read 2 more answers
For a data consisting of 9 observations, the sum of 9 values is 360 and the sum of squares of deviation taken from the mean is 2
maxonik [38]

Answer:

4 ; 32

Step-by-step explanation:

Given that :

Number of observations, n = 9

Let observations = X

ΣX = 360

The mean, (m) is calculated using the formula :

m = ΣX / n

m = 360 / 9

m = 4

Σ(X - m) = 288 (sum of square of deviation )

Variance is calculated using the formula :

[Σ(X - m) / n]

Variance = Sqrt(288 / 9)

Variance = 32

8 0
3 years ago
The volume of a rectangular prism is 165 cubic inches. The base of the prism has an area of 15 square inches.
marta [7]

Answer:

H = 11

Step-by-step explanation:

volume is 165

base is 15.

V = Bh

165 = 15 x ?

? = 11

check answer

15 x 11 = 165

3 0
3 years ago
Please Please answer this correctly I have to finish this today as soon as possible
mr_godi [17]

Answer:

about 173⁰

Step-by-step explanation:

because it's very close to 180⁰ but isnt it, I'd say between 170 and 180

173 to be safe

3 0
3 years ago
. Explain and correct the error made by a student who simplified this expression.   –2x + 7x + 8  (–2 + 7 + 8)x  13x 
Ket [755]

Answer:

Given -2x + 7x + 8, the correct expression is 5x + 8.

Step-by-step explanation:

The student didn´t notice that 8 was not follow by x, and try to apply common factor. But we can´t do that. The correct form to solve this expression is -2x + 7x + 8 = (-2 + 7)x + 8 = 5x +8.

3 0
3 years ago
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