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3 years ago

Help plz

Mathematics

2 answers:

KATRIN_1 [288]3 years ago

8 0

Number of chickens > 38 because there are more so you use greater than sign

Andrej [43]3 years ago

3 0

A is the awnser because it’s is saying 38 more

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Representatives has 35 more members than four times the number of members in the united statessenate define a variable and write

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Let x be the number of representatives

Y be the number of members in united states senate

Representatives has 35 more members than four times the number of members in the united states senate

X = 4y + 35

x = 4(100) + 35

x = 435 number of members in the house

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3 years ago

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Sally is working the snack bar and she sold ring pops for $0.50 and cookies for $0.75. If she made $22.25 and sold 34 items, how

Igoryamba

Answer:

Sally sold 13 ring pops and 21 cookies.

Step-by-step explanation:

Given:

Total items Sold =34

Let number of ring pops be x

and Number of cookies be y

Hence we can say that:

$x+y=34 \ \ \ \ equation \ 1$

Also Given:

Cost of ring pops = $0.50

Cost of Cookies = $0.75

Total money she made = $22.25

Now Total Money she made is the sum of Number of ring pops multiplied by cost of ring pops and number of cookies multiplied with Cost of cookies.

Hence framing in equation form we get;

$0.5x+0.75y = 22.25$

Multiplying above equation with 2 we get;

$2(0.5x+0.75y)=22.25\times2\\x+1.5y = 44.50 \ \ \ \ equation\ 2$

Subtracting equation 1 from equation 2 we get;

$(x+1.5y)-(x+y)=44.50-34\\x+1.5y-x-y=10.5\\0.5y = 10.5\\y= \frac{10.5}{0.5} = 21$

Hence Substituting the value of y in equation 1 we get;

$x+y=34\\x+21=34\\x=34-21=13$

Hence Sally sold 13 ring pops and 21 cookies.

3 0

3 years ago

Solve the system of equations. - 9x + 4y = 6 9x + 5y = -33

liubo4ka [24]

Let us solve this system of equations by using the elimination method. Adding the 2 equations, we get

9x + 5y - 9x + 4y = -33 + 6

9y = -27

y = -3

Substituting this value of y in the first equation, we get

-9x + 4(-3) = 6

-9x - 12 = 6

9x + 12 = -6

9x = -18

x = -2

Therefore, x = -2, and y = -3. Hope this helps! If you have any questions, feel free to ask.

7 0

4 years ago