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4 years ago

9 is what perent of 45

Mathematics

2 answers:

Daniel [21]4 years ago

7 0

Answer:

20%

Step-by-step explanation:

bazaltina [42]4 years ago

5 0

Answer:

Step-by-step explanation:

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Solve the equation for y.<br> 1 5. *x+y=4

Olegator [25]

You simply need to subtract x from both sides:

$x+y=4 \iff x+y-x=4-x \iff y=4-x$

In fact solving an equation for a variable means to isolate that variable on one side of the equation, and moving all remaining terms on the other side.

In this case, we solved the equation for y, because we wrote it as $y=\ldots$

7 0

3 years ago

What is the perimeter of rhombus STAR

navik [9.2K]

Answer:

160 cm

Step-by-step explanation:

3 0

3 years ago

May 28, 3:14:08 AM

saul85 [17]

Answer:

The circumference is:

$C=52.8\: ft$

Step-by-step explanation:

The equation of the circumference of a circle is given by:

$C=2\pi R$

Where:

R is the radius of the circle (R=8.4 ft)

Therefore, the circumference will be:

$C=2\pi*8.4$

$C=2(3.14)8.4$

$C=52.8\: ft$

I hope it helps you!

6 0

3 years ago

Help pla the one in the right is -22 -17 17 and 22 next to the choice

fgiga [73]

F/3 + 22 = 7

subtract -22 to both side

f/3 = 7-22

f/3 = -15

multiply by 3

f = -45

5 0

3 years ago

Help solve this math problem please

quester [9]

Answer:

$=536870912$

Step-by-step explanation:

$\frac{\left(2^3\right)^{10}\cdot \:2^{-8}}{2^{-7}}\\\mathrm{Cancel\:}\frac{\left(2^3\right)^{10}\cdot \:2^{-8}}{2^{-7}}:\quad \frac{\left(2^3\right)^{10}}{2}\\\frac{\left(2^3\right)^{10}\cdot \:2^{-8}}{2^{-7}}\\\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=\frac{1}{x^{b-a}}\\\frac{2^{-8}}{2^{-7}}=\frac{1}{2^{-7-\left(-8\right)}}\\=\frac{\left(2^3\right)^{10}}{2^{-7-\left(-8\right)}}\\\mathrm{Subtract\:the\:numbers:}\:-7-\left(-8\right)=\\=\frac{\left(2^3\right)^{10}}{2}$

$\mathrm{Simplify\:}\left(2^3\right)^{10}:\quad 2^{30}\\\left(2^3\right)^{10}\\\mathrm{Apply\:exponent\:rule}:\quad \left(a^b\right)^c=a^{bc}\\=2^{3\cdot \:10}\\\mathrm{Multiply\:the\:numbers:}\:3\cdot \:10=30\\=2^{30}\\=\frac{2^{30}}{2}\\\mathrm{Cancel\:the\:common\:factor:}\:2\\=2^{29}\\2^{29}=536870912\\=536870912$

7 0

4 years ago