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cestrela7 [59]
3 years ago
6

PLS HELP!!

Mathematics
1 answer:
GuDViN [60]3 years ago
7 0
25.69 + .75= $26.44

Hope this helps.
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I need help with this question! thank u :)
cestrela7 [59]
Presumably d meanst distance and t means time.

When t = 1, d = 2.5
When t = 3, d = 4

d = mt + b
2.5 = m + b [t = 1]
4.0 = 3m + b [t = 2]
1.5 = 2m [subtract]
m = .75 = slope
b = 1.75 = d-intercept
d = .75t + 1.75
d = 15/4 + 7/4 [t = 5]
d = 22/4 = 5.5 m from sensor
6 0
2 years ago
Find the difference between the lengths of the longest and shortest sides of a rectangle if its area is 924 square milimetres an
BigorU [14]

Length =l

Height = h

Area function = l * h = 924

Perimeter function = 2i + 2h = 122

Divide by 2

I + h = 61.

Plug in I or h for the other variable

I * (61 - I) = 924

61i - i^2 = 924

Factor the function

(-I + 28)(I - 33) = 0

l = 33 as l cannot be negative

61 - 33 = 28

h = 28

Difference between h and l is 33-28=5

6 0
2 years ago
What is the transformation for y = lxl + 3 ?
anyanavicka [17]

Answer: Center: (0,0)

Vertices: ( √3 , 0 ) , ( − √3 , 0 )

Foci: ( √6 , 0 ) , ( − √6 , 0 )

Eccentricity: √2

Focal Parameter: √6/2

Asymptotes: y = x , y = − x

How to: Rewrite in vertex form and use this form to find the vertex ( h , k ) .

Have a great day and stay safe !

3 0
3 years ago
What is the similarity ratio of two squares with areas 75 and 48?
shusha [124]
The answer to this question is 0.64 because you have to divide hope this helps you
 
3 0
3 years ago
The density of a certain material is such that it weighs 70 pounds for every 8.5 gallons of volume. Express this density in kilo
STALIN [3.7K]

The correct answer is 0.99kg/L

Explanation:

To find the density, the first step is to convert the weight (mass) and the volume into the appropriate units.

The volume is 8.5 gallons and this needs to be converted to litters. In this case, multiply the volume in gallons by 3.785 because each gallon contains 3.785 liters.

8.5 x 3.785 = 32.1725 liters

The mass is 70 pounds and this needs to be converted to kilos. In this case, divide the pounds by 2.204 considering each kilo contains 2.204 pounds.

70 ÷ 2.2046 = 31.751 kilos

Now, find the density by dividing the mass into the volume.

Density= 31.751 kg ÷ 32.1725 L

Density = 0.98 kg/L

This means the density is 0.9.868 kg/L and this can be rounded as 0.99 kg/L

4 0
3 years ago
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