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Step2247 [10]
3 years ago
7

Any actives ???can y’all please help me

Mathematics
2 answers:
love history [14]3 years ago
8 0
The answer is b 2.50
kkurt [141]3 years ago
7 0

Answer:

B: $2.50

Step-by-step explanation:

Step 1: form an equation

126 = 12(8 + x)

Step 2: isolate the x

126/12 = 8 + x

126/12 - 8 = x

Step 3: solve

10.5 - 8 = x

2.5 = x = raise per hour

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Fran is putting up a tent. Each triangular end of the tent has sides of length 6 ft. What is the approximate height of the tent,
Klio2033 [76]

Answer:

height = 5 ft

Step-by-step explanation:

The height will divide the base of the triangle in two parts of 3 ft, making two smaller right triangles.

Then, to find the height, we can use the Pythagoras' theorem in one of these triangles:

6^2 = 3^2 + height^2

36 = 9 - height^2

height^2 = 27

height = 5.19 ft

Rounding to the nearest foot, we have height = 5 ft

5 0
3 years ago
Samuel consumed 2129 calories of food on Monday, 2348 calories on Tuesday, and 1863
ZanzabumX [31]

Answer:  2460 calories

Step-by-step explanation:

2129 + 2348 + 1863 = 6340

2200 x 4 = 8800

8800 - 6340 = 2460

8 0
4 years ago
Find the solution of this system of equations. Separate the x- and y-values with a comma. x - 2y = -23 and x - y = 7
snow_lady [41]
Solve the following system using elimination:
{x - 2 y = -23 | (equation 1)
{x - y = 7 | (equation 2)

Subtract equation 1 from equation 2:
{x - 2 y = -23 | (equation 1)
{0 x+y = 30 | (equation 2)

Add 2 × (equation 2) to equation 1:
{x+0 y = 37 | (equation 1)
{0 x+y = 30 | (equation 2)
Collect results:
Answer:  {x = 37 , y = 30
8 0
3 years ago
Explain what the following correlation tell you about two sets of data
Nata [24]

Answer:

a.   r = 0.4. The correlation is positive. It's a weak association

b.   r = -0.96 The correlation is negative. It is a very strong association

c.   r = -0.02 The correlation is negative. It is a very weak association

d.  r = 1. The correlation is positive. It's a perfect association

e.   r = 0.86. The correlation is positive. It is a very strong association

Step-by-step explanation:

r is known as Pearson's linear correlation coefficient measures how strong the correlation between two variables is.

0 It is a positive correlation

A positive correlation means that when the variable x increases the variable y also increases.

-1\leq r It is a negative correlation

A positive correlation means that when the variable x increases the variable y decreases.

r = 0 means there is no correlation between the variables.

a.   r = 0.4. The correlation is positive. It's a weak association

b.   r = -0.96 The correlation is negative. It is a very strong association

c.   r = -0.02 The correlation is negative. It is a very weak association

d.   r = 1. The correlation is positive. It's a perfect association

e.   r = 0.86. The correlation is positive. It is a very strong association

4 0
4 years ago
Read 2 more answers
Help!! please answer this easy math <3 :)
klemol [59]

Answer:

y = x - 10

Step-by-step explanation:

slope intercept form is

y = mx + b

m is the slope = 1

b is the y intercept = -10

Therefor

y = x - 10

7 0
3 years ago
Read 2 more answers
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