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Mrac [35]
3 years ago
14

Help help please math math math

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
8 0

Answer:

50

Step-by-step explanation:

a2 + b2=c2 so

cestrela7 [59]3 years ago
3 0

Answer:

50

Step-by-step explanation:

please mark me as brainlest

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The circumference of a bike tire is 84 inches what is the diameter
I am Lyosha [343]

Answer:

26.75 or 26.75156923

Step-by-step explanation:

Circumference formula:

C =Лd

Diameter formula:

d=c/Л

Substitute C for 84 and Л for 3.14:

d=84/3.14

Solve for Diameter:

d=26.75

8 0
3 years ago
Steps to sloving -2(x+3)=-10​
FromTheMoon [43]

Answer:

<h2>x = 2</h2>

Step-by-step explanation:

-2(x+3)=-10          <em>divide both sides by (-2)</em>

\dfrac{-2(x+3)}{-2}=\dfrac{-10}{-2}

x+3=5            <em>subtract 3 from both sides</em>

x+3-3=5-3

x=2

4 0
3 years ago
Read 2 more answers
PPPPLLLLEEEEZZZZ HHHEEELLLLPPP!!!!!!!. When a number x is multiplied by 9, the result is 35.
timama [110]
The x value is 3.888888 (the eight repeats, goes on forever) hope this helps :)
8 0
3 years ago
Read 2 more answers
a television normally sells for $499 what is now discounted 25%. The sales tax rate is 6.5%. What is the total cost of televisio
matrenka [14]
Hmmm what is now discounted?  well, let's assume it sells normally for 499 and is discounted today at 25%, how much is that?

well, if we take 499 to be the 100, how much is 25%?

\bf \begin{array}{ccll}&#10;amount&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;499&100\\&#10;d&25&#10;\end{array}\implies \cfrac{499}{d}=\cfrac{100}{25} \cfrac{499\cdot 25}{100}=d&#10;\\\\\\&#10;124.75=d\qquad \textit{so the new price is }499-124.75\implies 374.25

now, applying the sales tax to the discounted price.

if we take 374.25 to be the 100%, how much is 6.5%?

\bf \begin{array}{ccll}&#10;amount&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;374.25&100\\ t&6.5&#10;\end{array}\implies \cfrac{374.25}{t}=\cfrac{100}{6.5}\implies \cfrac{374.25\cdot 6.5}{100}=t

so, the total cost will then be 374.25 + t.
4 0
4 years ago
Three students calculated the volume of a cylinder. Each used a different strategy.
Nonamiya [84]

I only agree with the first student strategy of multiplying the area of the base with the height.

<h3 /><h3>Volume of a cylinder</h3>

A cylinder is made up of two circles at the top and the base.

The volume of the cylinder can be expressed as:

V = Bh

where
B is the base area

h is the height of the cylinder

V = πr²h

HEnce I only agree with the first student strategy of multiplying the area of the base with the height.

Learn more on volume of cylinder here; brainly.com/question/9554871

7 0
2 years ago
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