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2 years ago

38. Joey paid for 5 hours of batting lessons in March.

Mathematics

1 answer:

Elodia [21]2 years ago

3 0

Answer:

159.75

Step-by-step explanation:

23.50×5=117.5

117.5+42.25=159.75

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A number that when added to another number equals zero

FinnZ [79.3K]

-2+2=0 because on the number line -2 is two spots from 0 then when u add a positive 2 it equals 0.

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2 years ago

Read 2 more answers

All three sides of a triangle are initially 5.0 long. One of the triangle's sides is oriented horizontally. The triangle is scal

zlopas [31]

Answer:

h = 3.62

Step-by-step explanation:

First, as both triangles have the same angles we can use the relationship of areas and sides corresponding to similar triangles as follows:

$relation\ between\ areas=( relation\ between\ sides)^2\\\frac{0.7A}{A}=(\frac{s}{5})^2\\s= 5\sqrt0.7= 4.18$

Now we know that the new triangle has sides of 4.18. Then, as these triangles are equilateral we can use the Pythagorean Theorem to find the height:

$4.18^2=h^2+(\frac{4.18}{2})^2\\h=\sqrt (4.18^2-2.09^2)=3.62 m\\h= 3.62$

Finally the height of this new triangle is 3.62 cm

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2 years ago

Graph the lines y=2x-3 and y=-x+3

dem82 [27]

Go to desmos.com and type in these equations

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2 years ago

7th grade math help me pleaseeee

Misha Larkins [42]

Answer: 1. (-5) 2. 24) 3. (-32)

Step-by-step explanation:

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2 years ago

Find the value of the variable.

Yuliya22 [10]

Answer:

z = 20

Step-by-step explanation:

Assuming the triangles are similar write a proportion between the side lengths to solve for z.

$\frac{9}{15}=\frac{32-z}{z}$

To solve for z, multiply the numerator and denominator of each fraction.

9z = 15(32-z)

9z = 480 - 15z

24z = 480

z = 20

3 0

2 years ago