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nikitadnepr [17]
3 years ago
11

What is the answer to (7*x+9)*x+90

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

<h2>7x² + 9x + 90</h2>

Step-by-step explanation:

(7x + 9)x + 90               <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

= (7x)(x) + (9)(x) + 90

=7x² + 9x + 90

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-4 = - 17 + x linear equations
Llana [10]

add 17 to both sides

13 = x

<em>hope this helps</em>

7 0
2 years ago
Read 2 more answers
Ben bought a digital camera for $90. The tax rate is 6%. Which proportion can be used to find the amount of tax Ben will pay? A.
Radda [10]
(90*.06)(this is the percentage converted to a decimal) this should equal the amount of tax that Ben will pay.

So the answer would be
90*6%

5 0
3 years ago
Best and correct answer gets brainliest!!!
dmitriy555 [2]
59 degrees!
because you set up your problem: 3c+2+2c-7=90
then combine all like terms: 5c-5=90
Add 5 to both sides: 5c=95
then divide both sides by 5: c=19
Plug in your answer: 3(19)+2=59
8 0
3 years ago
At the local store, the cost of 1 pair of jeans is $24 and the cost of 3 pairs is $24 × 3 = $72. At the online store, the cost o
Juli2301 [7.4K]

Complete question :

Complete the tables to relate the numbers of pairs of jeans to the cost of the jeans at each store. Assume that Tim is placing a single order, and

ignore any taxes.

Answer:

$24, $72

$50

Step-by-step explanation:

From the table :

At local store :

2 pair of jeans cost $48

Cost of a pair :

Cost of 2 pairs / number of pairs

$48 / 2 = $24

Cost of 3 pairs :

Cost per pair * number of pairs :

$24 * 3 = $72

At online store :

Cost of Jean include a fixed fee of $6

Cost of one pair of Jean = $28

Actual cost of Jean :

$28 - $6 = $22

Hence, cost of 2 pair of jeans:

($22*2) + $6

$44 + $6 = $50

6 0
2 years ago
The line shown in the graph passes through the points (2, 4) and (-1, 6). Which is the
Shkiper50 [21]
Y2 -y 1 / x2 - x1
6 - 4 / -1 - 2
2 / - 3
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6 0
3 years ago
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