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VladimirAG [237]
2 years ago
13

Write an equivalent ratio for 7:8 with 40 as one of the terms.

Mathematics
1 answer:
kvv77 [185]2 years ago
8 0

Answer:

Step-by-step explanation:

Five equivalent ratios:

7:8  = 14:16

      = 21:24

      = 70:80

      = 49:56

      = 35:40

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Can someone answer this question please
Sliva [168]

The value of x in the right angled triangle is 24 degrees.

<h3>Description of a right-angled triangle </h3>

A right angled triangle is a type of triangle that has 3 sides. One of its angles is equal to 90 degrees and the sum of angles is 180 degrees.

<h3>Determining the value of the third angle </h3>

180 - 32 - 90 = 58 degrees

<h3>Determining the value of x </h3>

The angle on a straight line is equal to 180. Thus; 180 = (5x + 2 + 58)

= 180 =  5x + 60

180 - 60 = 5x

120 = 5x

x = 24 degrees

To learn more about a triangle, please check: brainly.com/question/9329354

5 0
2 years ago
A pebble is tossed into the air from the
Norma-Jean [14]

Answer:

20 [ft].

Step-by-step explanation:

according to the equation of the height the related height is 20 [ft], when x=1.

All the details are provided in the attachment; the graph is shown with red curve line.

6 0
1 year ago
If the mean of 2 3 x and 5 is 4,find x​
Alchen [17]

Answer:

the missing number is 6

Step-by-step explanation:

To find the mean, add up all the numbers and divide by the number of numbers

( 2+3+x+5) /4 = 4

Combine like terms

(10+x)/4 =4

Multiply each side by 4

10+x = 16

Subtract 10 from each side

x = 6

3 0
3 years ago
What is the slope of the line represented by the equation f(x) = -3x + 7? A. -7 B. -3 C. 3 D. 7
Basile [38]

Answer:

B. -3

Step-by-step explanation:

y = mx + b is slope intecept formula

m = slope

y = -3x + 7

-3 = m

4 0
3 years ago
Read 2 more answers
Before agreeing to purchase a large order of polyethylene sheaths for a particular type of high-pressure, oil-filled submarine p
sasho [114]

Answer:

H0 : σ = 0.5

H0 : σ < 0.5

Step-by-step explanation:

From the scenario described above, the company wants to see conclusive evidence that the population standard deviation of sheath thickness is less than .05 mm ; THIS SIMPLY means ; REJECTION OF the NULL HYPOTHESIS. This is because once there is a significant or conclusive evidence in hypothesis testing, then we reject the null and support the claim of the alternative hypothesis.

Hence, the alternative hypothesis is ; population standard deviation of sheath Thickness is less than 0.5.

H1 : σ < 0.5 ;

Therefore, our null will be ;

H0 : σ = 0.5

4 0
3 years ago
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