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nika2105 [10]
3 years ago
13

3(x +2)-9x+5 What is the answer

Mathematics
2 answers:
Alika [10]3 years ago
8 0

Answer:

-6x+11

Step-by-step explanation:

Reika [66]3 years ago
4 0
= -6x + 11 should be the correct answer
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7y^2+15x-22. Y=4. ×=5
Nutka1998 [239]

let's plug the value of x and y as 5 and 4 respectively to find the value of given expression :

  • 7 {y}^{2}  + 15x - 22

  • 7(4) {}^{2}  + (15 \times 5) - 22

  • (7 \times 16) + 75 - 22

  • 112 + 53

  • 165
3 0
2 years ago
Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each bea
xz_007 [3.2K]

Answer:

To make a profit of at least $500 she must sell at least 12 necklaces

Step-by-step explanation:

Joyce rented a booth at a carnival at a cost of $95 to sell handmade beaded necklaces. The cost of making and packaging each beaded necklace was $15. If Joyce sells the beaded necklaces at $35 each then we have to find beaded necklaces she sell to make a profit of at least $500.

The costs side of the equation, we have:

Let no. of necklaces that she sell are x

∴ The cost of making and packaging x beaded necklace is $15x

Total Cost = 95+15x

Now, Joyce sells the beaded necklaces at $35 each. Therefore, selling price will be $35x

To make a profit of at least $500 the equation can be written as

95+15x+500\leq35x

595\leq50x

⇒ x\geq11.9=12

Hence,  to make a profit of at least $500 she must sell at least 12 necklaces



7 0
3 years ago
Read 2 more answers
What's bigger 3/4 or 9/12
pashok25 [27]
Change the common denominator so 3/4 ---> 9/12 
3/4 and 9/12 are equal

Hope this helps!!!
3 0
3 years ago
Read 2 more answers
A pair of boots is on sale for 1/4 off the original price. The sale price is $70.50. What is the original price of the boots?
Iteru [2.4K]

Answer: 282

Step-by-step explanation: just multiplícate it by 4

4 0
3 years ago
Please help i have exam tom. ​
Xelga [282]

Answer:

Step-by-step explanation:

this is a simultaneous equation question

f(1)=8  so  a(1) + b = 8

f(4)=17 so a(4) + b = 17

can you figure this out from here ???

if you can't below is how to solve it

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a + b = 8

4a+b=17

multiply the top equation by 4 and then subtract the bottom one from the top

4a+4b = 32

-(4a +b = 17)

3b = 15

b=5

now plug 5 into the first equation

a + 5 = 8

a=3

there you go :)

3 0
3 years ago
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