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Reika [66]
3 years ago
7

Which of the following is a solution for the equation 7x+ 21 = 105? 105 15 84 12

Mathematics
2 answers:
lisov135 [29]3 years ago
7 0
The correct answer is 12
bazaltina [42]3 years ago
3 0

Answer:

12

Step-by-step explanation:

7x +21 =105

7x =105 - 21

7x =84

x=84 :7

x=12

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Alaina needs to sell 225 boxes in order to be the top seller. She sells thin mints and samoas to all of her customers for a tota
Digiron [165]

Answer:

94 boxes of samoas

131 boxes of thin mints

Step-by-step explanation:

m=mints

s=samoas

s+m=225    m=225-s

s(2.5)+m(3)=628

2.5s+3m=628

substitute for m

2.5s+3(225-s)=628

2.5s+675-3s=628

reduce

-0.5s=-47

s=94

m=131

4 0
3 years ago
Triangles PQR and XYZ are similar triangles. Which are the other two angle measures of triangle XYZ?
Julli [10]

Angle Z = Angle R = 35 degrees

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35 & 75 degrees

5 0
3 years ago
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NISA [10]
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= 2 * 3.14 * 4 * 12 + 2 * 3.14 * 4^2
= 301.44 + 100.48
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4 0
3 years ago
How many different sums can be made with a penny nickel dime quarter?
weqwewe [10]
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8 0
3 years ago
Insert <,>, or = to make the sentence true. 3/4 ? 4/7
Orlov [11]
 2/3 IS GREATER SO THEREFORE YOUR ANSWER WOULD BE '>'

4 0
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