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Anuta_ua [19.1K]
3 years ago
5

I'm stuck on this one. I'm sorry of you know everything but there are other people who can't comprehend some problems without be

ing their to actually see and experience it with a teacher. Just help me with this one - ​

Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0

Answer:

Expand the brackets, and simplify.

(4t - 8/5)-(3-4/3t) = (4t +4/3t) + ( -8/5 - 3) = 5 1/3t - 23/5 = 16/3t - 23/5

5(2t + 1) + (-7t + 28) = 10t + 5 - 7t + 28 = 3t + 33

(-9/2t + 3) + (7/4t + 33) = (-9/2t + 7/4t) + (3 + 33) = -11/4t + 36

3(3t - 4) - (2t + 10) = 9t - 12 - 2t - 10 = 7t - 22

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18.4b=44.16 need help fast
MaRussiya [10]

Answer:

<u>If it's 18.4b=44.16:</u> b=2.4

<u>If it's 4b=44.16:</u> b=11.04

Step-by-step explanation:

<u>If it's 18.4b=44.16:</u>

18.4b=44.16\\\\\frac{b}{18.4}=\frac{44.16}{18.4}\\\\b=2.4

<u />

<u>If it's 4b=44.16:</u>

<u />4b=44.16\\\\\frac{b}{4}=\frac{44.16}{4}\\\\b=11.04<u />

4 0
3 years ago
One of the rectangular display boards at the Dallas Cowboys' stadium has a screen size of 11,393 square feet. If the width of th
Vika [28.1K]

Answer:

71.2

Step-by-step explanation:

The area for a rectangle is width x height.

11393=160x

11393/160=x

71.2=x

4 0
4 years ago
Read 2 more answers
I need some help please!
adell [148]

Answer:

8 seconds

Step-by-step explanation:

lets first start by plugging in 1024 into initial height

h(t) = -16t^2 + 1024

I would find a Greatest Common Factor (GCF) first

-16(t^2 - 64)     If this is new just think that if you multiply -16 by t squared and -64 you will come back to the original equation

But now we notice that T squared -64 can be factored with the difference of perfect squared method

so we will get -16(t-8)(t+8)

So to get the answers we will set everything equal to 0

-16t =0

t =0 this is the time that the penny was thrown

t-8 = 0

t = 8 the is the time the penny hit the ground

t+8 =0

t= -8 This is an extraneous solution or a solution that doesn't make sense so we just disregard the solution.

3 0
3 years ago
If a and b are integers such that a^2 - b^2 = 100, what is the greatest possible value of a?
solmaris [256]
The maximum value of a is 10, when b is 0
8 0
3 years ago
What is the measurement of angle 1?
Andrei [34K]

Answer:

<u>Angle 1</u>= 180 - 110 = 70 (straight angle)

<u>Angle 2</u> = 180 - 115 =65 (straight angle)

<u>Angle 3</u>= angle 2 =65 (corresponding alternating angles)

<u>Angle 4</u> =180 - angle3 = 180 - 65 = 115 (straight angle)

<u>Angle 5</u> = 180 - angle 1 - angle 3= 180 - 70 - 65 = 45 (sum of triangle angles is equal to 180)

<u>Angle </u><u>6</u> = angle 5= 45 ( interior alternating angles)

<u>Angle</u><u> </u><u>7</u><u> </u>= angle 6= 45 (vertical opposite angles)

<h3>hope \: this \: helps</h3>
3 0
3 years ago
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