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KATRIN_1 [288]
3 years ago
13

2x + 7 + 29 = 90 Help me solve it

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
First add 7 and 29. Your equation would look like this 2x + 36 = 90. Then subtract 36 from both sides so 90-36=54. 2x=54 finally divide by 2
BartSMP [9]3 years ago
5 0

Answer:

x = 27

Step-by-step explanation:

look at the screenshot below it'll explain the answer

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Jordan has gone into the nut business. He wants to make a mixture of walnuts and cashews that cost $1.00 per pound. How many pou
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Answer:

b.) 11 Ibs.

Step-by-step explanation:

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3 years ago
Consider the ratio 3:5. Can you create an equivalent ratio by adding the same number to each quantity in the ratio? Explain
iragen [17]
Yes because the unit rate would be 1:2 and that's the rate of change in which 3:5 has.
HOPE IT HELPS!!
4 0
3 years ago
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The following data are the distances between 20 retail stores and a large distribution center. The distances are in miles.
Free_Kalibri [48]

Answer:

1191.4 ; 34.5

Step-by-step explanation:

Given the data:

29; 37; 38; 40; 58; 67; 68; 69; 76; 86; 87; 95; 96; 96; 99; 106; 112; 127; 145; 150

The sample variance and standard deviation can be obtained thus :

Σ(X - m)² / (n - 1)

Where, m = mean of the sample

n = sample size

The standard deviation equals, sqrt(variance )

Using a calculator:

The variance, σ² ;

Mean = Σx / n = 1681 / 20 = 84.05

(x -m)^2

[(29-84.05)^2 + (37-84.05)^2 + (38-84.05)^2 + (40-84.05)^2 + (58-84.05)^2 + (67-84.05)^2 + (68-84.05)^2 + (69-84.05)^2 + (76-84.05)^2 + (86-84.05)^2 + (87-84.05)^2 + (95-84.05)^2 + (96-84.05)^2 + (96-84.05)^2 + (99-84.05)^2 + (106-84.05)^2 + (112-84.05)^2 + (127-84.05)^2 + (145-84.05)^2 + (150-84.05)^2] / 19

22636.95 / 19

= 1191.4184 = 1191.42

Standard deviation = sqrt( Variance)

Standard deviation = sqrt(1191.4184)

Standard deviation = 34.516929 = 34.52

4 0
3 years ago
Dr. Montgomery recently graduated from medical school and his wife bought him an engraved stethoscope. The stethoscope cost $160
Dima020 [189]

Answer:

$172.80

Step-by-step explanation:

$160.00 x 1.08=$172.80

3 0
3 years ago
If you horizontally stretch the quadratic parent function, f(x) = x2, by a factor of 4, what is the equation of the new function
navik [9.2K]
Please write x^2, not x2.

If you stretch the graph of y=x^2 vertically by a factor of 4, the resulting graph represents the quadratic function y = 4x^2.  It's still a parabola, but appears to be thinner.

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3 0
3 years ago
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