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Sunny_sXe [5.5K]
3 years ago
13

1 . Evaluate 3a - 12 divided by a for a =4 2. Evaluate 3x- 2y , if x= 5 and y =3

Mathematics
1 answer:
ziro4ka [17]3 years ago
3 0
This is how I understood the question

Hope I helped!

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Simplify the given expression. (4x2squared-15x-21)+3x2squared-10)
Bess [88]

Answer:

7x^{2} - 15x -31

Step-by-step explanation:

(4x^{2} - 15x -21) + 3x^{2}  - 10 = 4x^{2} + 3x^{2} - 15x -21  - 10 = 7x^{2} - 15x -31

4 0
3 years ago
Stephanie has a recipe that calls for 2/3 tablespoon of vanilla to make 3 1/2 dozen cookies. How many tablespoon of vanilla are
Ierofanga [76]

Answer:

5.25 tablespoons are needed per dozen

Step-by-step explanation:

8 0
3 years ago
At the carnival, Sally purchased 20 tickets and a drink that was $4.50. Her total for everything was $44.50.
marshall27 [118]
$2 is the answer I assume
6 0
3 years ago
Pls help I need a good grade <br><br><br> Z/5+3=-35<br><br> Show your work
Molodets [167]
Who is my work I think the answer would be -190

5 0
3 years ago
At a sale on winter clothing,Cody bought two pairs of gloves and four hats for $43.00. Tori bought two pairs of gloves and two h
lara31 [8.8K]
First do 43 - 30= $13 for two hats
so for one hat you do 13 divided by 2 which equals= <u>$6.50</u> for one hat

then you do 30 - 13= $17 for two pairs of gloves
so for one pair of gloves you do 17 divided by 2=<u> $8.50</u> for one pair of gloves
8 0
3 years ago
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