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Vesnalui [34]
3 years ago
7

Mariah makes bead necklaces. beads are packaged in bags of 50 and bags of 200. mariah bought 4 bags of 50 beads and 3 bags of 20

0 beads. how many heads did mariah buy?
Mathematics
1 answer:
ollegr [7]3 years ago
8 0
4*50 + 3*200 = 700
i hope this will help you
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Elimination process <br><br> 7a-3b = 26<br> a + 2b =11
VMariaS [17]

Answer:(a=5,b=3)

7a-3b = 26--------(1)

a + 2b =11---------(2)

on mutlplying by7 in eq 2

= 7a+14b=77-------(3)

from eq(1) and (3) (on substracting)

7a+14b=77

7a-3b=26

________

=-17b=51

b=51/17

b=3

on putting value of b in eq 1

7a-3b = 26

=7a-9=26

7a=35

a=5

Step-by-step explanation:

hope it helps

mark me brainliest

5 0
3 years ago
for every 5 tacos,julianna uses 2 cups of shredded cheese. complete the table to show the relationships between the number of ta
jok3333 [9.3K]

For 5 taccos 2 cups cheese is needed.

So 10 taccos is 2*(5 taccos)=2*2 cups cheese =4cups

\begin{gathered} As\text{ 5 taccos=2cup cheese} \\ 1\text{ tacco=}\frac{2}{5}\text{cup cheese} \\ As\text{5 taccos=2cup cheese} \\ 1\text{ cup cheese=}\frac{5}{2}\text{taccos} \\ So\text{ 10 tacco=10}\ast\frac{2}{5}\text{cup cheese=2}\cdot2=4\text{cups} \\ 10\text{ cup cheese =10}\ast\frac{5}{2}\text{tacco}=5\ast5=25tac\cos  \end{gathered}35\text{ taccos}=35\ast\frac{2}{5}=7\cdot2=14\text{ cup cheese}24\text{ cup cheese=}24\ast\frac{5}{2}=12\ast5=60tac\cos

So to convert taccos to cups of cheese multiply by 2/5 and from cups of cheese to taccos multiply by 5/2.

4 0
1 year ago
Four gallons of gasoline weigh 25 pounds . find the unit rate in pounds per gallon.
notka56 [123]
There are several information's that are already given in the question. Based on those information's the answer to the question can be easily deduced. 
Weight of 4 gallons of gasoline = 25 pounds
Then
Weight of 1 gallon of gasoline = 25/4 pounds
                                                = 6.25 pounds
From the above deduction, we can easily conclude that the unit rate in pounds per gallon of gasoline is 6.25 pounds/gallon. I hope the answer helps you.
7 0
3 years ago
Read 2 more answers
∆ABC is reflected across the x-axis, then rotated 90° clockwise about the origin, and finally reflected across the line y = x to
torisob [31]

Answer:

<h2>A'(1,1), B'(2,3) and C'(2,1)</h2>

Step-by-step explanation:

Notice that the vertices are A(1,1), B(2,3) and C(2,1).

A reflection across the x-axis give the coordinates A'(1,-1), B'(2,-3) and C'(2,-1). Then, we apply the rotation 90° clockwise about the origin A'(1,1), B'(3, 2) and C'(1, 2).

Finally, a reflection across the line y = x, gives A'(1,1), B'(2,3) and C'(2,1)

Therefore, the coordinates of the image are A'(1,1), B'(2,3) and C'(2,1).

6 0
3 years ago
Choose the quadratic equation that has x-intercepts of −1/3 and 5/2
miv72 [106K]
I’m pretty sure it will be the last one f(x)=(3x+1)(2x-5).
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3 years ago
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