MATHEMATICS MIDDLE SCHOOL

Select the 2 common denominators for 1/4 and 7/10 .A. 10

B. 20

C. 24

D. 32

E. 40
I WILL MARK BRAINLIST IF CORRECT !! :))

Answers

Answer 1
Answer:

Answer:

B) 20 and E) 40

Step-by-step explanation:

4 = 2*2= 2²

10=2*5

Common denominators = 2²*5=4*5=20

20,40

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Last week, Tasha bought 17 pounds of fruitat the grocery store. She bought apples,oranges, and bananas. If 8 pounds wereapples and 3 pounds were bananas, howmany pounds of oranges did Tasha buy?
18x+9y equivalent expression ? Need help

A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon?

Answers

Answer:

32 miles the car travel per gallon.

Step-by-step explanation:

Given  : A car travels 480 miles on 15 gallons of gasoline.

To find : How many miles does the car travel per gallon.

Solution : We have given

A car travels on 15 gallons = 480 miles .

A car travels on 1 gallons = (480)/(15).

A car travels on 1 gallons = 32 miles.

We can say 32 miles the car travel per gallon.

Therefore, 32 miles the car travel per gallon.
you take 480 and divide it by 15, because it says per gallon. so then if the car goes 480 miles with 15 gallons, you have to figure out how to find per gallon. you divide 480/15 and your answer is 32

Find the total price including 7percent tax on a $9.79 purchase

Answers

The total price including 7 percent tax on a $9.79 purchase is $10.67

What is percentage?

A percentage is a number that tells us how much out of 100 and can also be written as a decimal or a fraction.

Given that, there is a 7 percent tax on a $9.79 purchase

Therefore, total price =

7% of 9.79 + 9.79

= 0.8811 + 9.79

= 10.67

Hence, the total price including 7 percent tax on a $9.79 purchase is $10.67

Learn more about percentage, click;

brainly.com/question/29306119

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all u do is put 9.79 multiplied by .07 and it gives you 0.6853 so its .68 or .69 cents if u round

Peter is trying to buy fencing for the perimeter of his garden. His garden is in the shape of a rectangle with a length of 2(x+6)feet and a width of 3.5x feet. How many feet of fencing will he need to buy? Write and simplify an expression to represent this situation? What properties did you use?

Answers

Given that, the length of the garden is 2(x+6)feet and width is 3.5x feet.

So, length : l = 2(x+6) and width = 3.5x.

To find the fence of the garden we need to find the perimeter of the rectangle.

Formula to find the perimeter is:

p = 2l + 2b

= 2*2(x+6) + 2*3.5x

= 4(x+6) + 7x By multiplication.

= 4x + 24 + 7x By distribution property.

= 11x + 24 Combining the like terms.

So, he need to buy 11x + 24 feet fencing.

Hope this helps you!

Which answer would make △WTV~△RSP by the AA similarity postulate?Select one:

m∠W=m∠V and m∠R=m∠P

m∠T=m∠S and m∠V=m∠P

WTRS=SPTV=WVRP

WTRS=TVSP=WVRP

Answers

sigh smhhhh BRUH I SWEAR- anyways

Answer:

The third one hope this helpsssssssssssssssssssss

Step-by-step explanation:

Write the equation of the line that it is parallel to y=2x+1 and passes though the solution of the following systems of equations :3x-2y=10
x+y=5

Answers

The required equation of a line is y = 2x - 11

What is the slope of the line?

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.


Here,
The given line,
y = 2x + 1
The slope of the equation is m = 2

Now the point is  required,
3x-2y=10  - - - - - -(1)

x+y=5  
x = 5 - y - - - - -(2)
putting x in equation 1
3(5 - y) - 2y = 10
15 - 3y - 2y = 10
-5y = -5
y = 1
Now
x = 5 - y
x = 5 + 1
x = 6
Points are (6, 1)
Equation of line is given by,
y - 1 = m (x - 6 )
y - 1 = 2 (x - 6 )
y = 2x -12 + 1
y = 2x - 11

Thus, the required equation of line is y = 2x - 11

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well, keeping in mind that parallel lines have the same exact slope, hmmmmm

\bf y = \stackrel{\stackrel{m}{\downarrow }}{2}x+1\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\n \cline{1-1} \n y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \n\n \cline{1-1} \end{array}

alrite, so we know the slope has to be 2 then hmmm let's check the point it runs through

\bf \begin{cases} 3x-2y=&10\n\n x+y=&5\n \qquad y=&5-x \end{cases} \n\n\n \stackrel{\textit{substituting \underline{y} on the 1st equation}}{3x-2(5-x)=10}\implies 3x-10+2x=10\implies 5x-10=10 \n\n\n 5x=20\implies x=\cfrac{20}{5}\implies \blacktriangleright x = 4 \blacktriangleleft \n\n\n \stackrel{\textit{since we know that}}{y = 5-x}\implies y=5-4\implies \blacktriangleright y = 1 \blacktriangleleft

so, we're really looking for the equation of a line whose slope is 2 and runs through (4,1)

\bf (\stackrel{x_1}{4}~,~\stackrel{y_1}{1})~\hspace{10em} \stackrel{slope}{m}\implies 2 \n\n\n \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\n \cline{1-1} \n y-y_1=m(x-x_1) \n\n \cline{1-1} \end{array}\implies y-\stackrel{y_1}{1}=\stackrel{m}{2}(x-\stackrel{x_1}{4}) \n\n\n y-1=2x-8\implies y=2x-7

Tickets for the school concert were 3$ and 2$. If 245 tickets were sold for a total of $630, how much of each kind were sold?

Answers

2x + 3y = 630
x + y = 245 then you want to get rid of x so in the second equation × by -2 and get -2x -2y =-490 subtract this equation from the first to get y=$140 substitute 140 in for y and get x= $105 and 2x=210 and 3y=420 210 +420=630
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