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Marysya12 [62]
3 years ago
9

What is equivalent to 8a-7-29a-8 A. 65a+80 B. -21a-15 C. 3a D. 37a+15

Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer:

B. -21a-15

Step-by-step Explanation:

8a-7-29a-8 \\  \\  = 8a - 29a - 7 - 8 \\  \\  =  - 21a - 15

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As a fundraiser, the Music Boosters wrapped gifts at the mall one weekend. Out of the 100 gifts they wrapped, 3/10 were for wedd
dangina [55]

Answer: The fraction of the gifts were for birthdays = \dfrac{33}{100}.

Step-by-step explanation:

Given: fraction of gifts for weddings = \dfrac{3}{10}

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Rest of the gifts = 1-\dfrac3{10}-\dfrac{37}{100}

=\dfrac{100-30-37}{100}\ \ \ [\text{Making like fractions}]\\\\=\dfrac{100-67}{100}\\\\=\dfrac{33}{100}

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4 0
3 years ago
If JO = 32, is triangle JKO is congruent PMN to triangle ? If so, find JN.
TiliK225 [7]
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Therefore JK = PM
8 0
3 years ago
Help me pls this is math and im so confused ​
EleoNora [17]
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3 years ago
A sporting goods store sells two types of snowboards. Brand S sells for $309. Brand B sells for $489. Last month, the store sold
avanturin [10]
Let S be the number of Brand S snowboards sold.
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