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Crazy boy [7]
3 years ago
7

What is 5 less than the product of 5 and a number is 22 written out in an equation?

Mathematics
1 answer:
masha68 [24]3 years ago
6 0
5y - 5= 22
or
5(y)-5=22

Hope that helps!


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A major department store chain is interested in estimating the mean amount its credit card customers spent on their first visit
sergiy2304 [10]

Answer:

95% Confidence interval: (39.43, 61.58)

Step-by-step explanation:

We are given the following in the question:

Sample mean, \bar{x} = $50.50

Sample size, n = 15

Alpha, α = 0.05

Sample standard deviation = 20

95% Confidence interval:

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 14 and}~\alpha_{0.05} = \pm 2.1447  

=50.50 \pm 2.1447(\dfrac{20}{\sqrt{15}} ) \\\\= 50.50 \pm 11.0751 \\= (39.4249,61.5751)\\\approx (39.43, 61.58)  

95% Confidence interval: (39.43, 61.58)

8 0
3 years ago
There are 12 more apples than oranges in the basket of 36 apples and oranges. How
anygoal [31]

Step-by-step explanation:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
  • Total number of fruits=36

Let

the number of oranges =x

The number of apples=x+12

<h3>ATQ </h3>

{:}\leadsto\sf x+x+12=36

{:}\leadsto\sf 2x+12=36

{:}\leadsto\sf 2x=36-12

{:}\leadsto\sf 2x=24

{:}\leadsto\sf x={\dfrac {24}{2}}

{:}\leadsto\sf x=12

  • Number of Apples =12+12=24
7 0
3 years ago
Read 2 more answers
Always sometimes never: one angle in a triangle is more than 90°
olga2289 [7]

Answer:

sometimes

Step-by-step explanation:

it can be only possible in case of obtuse triangle.

4 0
3 years ago
Read 2 more answers
A cylinders volume can be calculated by the formula V=pir^2h, where V stands for volume and R for the base radius and H for the
zvonat [6]

Answer:

This cylinders volume, in terms of pi, is 144π m³

This cylinders volume, rounded to the hundredth place, is 452.39 m³

Step-by-step explanation:

volume of cylinder:

→ πr²h

→ π(4)²(9)

→ 144π

→ 452.39 m³ ......rounded to nearest hundredth

5 0
3 years ago
Read 2 more answers
The longest leg of a right triangle is 30 feet and another side is 20 feet. Find the perimeter of the triangle. Round to the nea
abruzzese [7]

Answer: 72.4 ft

Step-by-step explanation: A2+B2=C2 20squared plus Bsquared=30 22.4 squared plus 20squared equals 30squared and when you add all that together you get 72.4 ft

7 0
3 years ago
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