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Anna71 [15]
3 years ago
14

Add (13x – 4) and (–6x + 15)

Mathematics
1 answer:
kompoz [17]3 years ago
4 0

(13x – 4) + (–6x + 15) =

13x - 4 - 6x + 15 =

7x + 11

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PLZ HELP ILL MARK U BRAINLIEST!!!
lidiya [134]

Answer:

x=18

Step-by-step explanation:

7x-1=125

<u>  +1    +1</u>

<u>7x</u>=<u>126</u>

7      7

X=18

3 0
2 years ago
The width of a rectangle is the length minus 3 units. The area of the rectangle is 54 units. What is the width, in units, of a r
saul85 [17]

Width of the rectangle is 9 units

Step-by-step explanation:

  • Step 1: Let the width of the rectangle be x. Then the length = x - 3. Find dimensions of the rectangle if its area = 54 sq. units

Area of the rectangle = length × width

54 = x (x - 3)

54 = x² - 3x

x² - 3x - 54 = 0

x² + 6x - 9x - 54 = 0 (Using Product Sum rule to factorize)

x(x + 6) - 9(x + 6) = 0

(x + 6)(x - 9) = 0

x = -6, 9 (negative value is neglected)

x = 9 units

4 0
3 years ago
Naomi deposited money into savings account that is compunded quarterly at an interest rate of 6%. She thinks this quarterly rate
FromTheMoon [43]

Answer:

No, because 1.25% times 3 is 3.75% which is less than 6%

Step-by-step explanation:

Quarterly is every 3 months

6% interest is 1.06, 6 cents on the dollar

Monthly interest rate is 1.25% so 1.25 × 3 is 3.75

So, 1.25% times 3 is 3.75% which is 2.25% less than 6%

Hope this helps!

Have a great day!

Plz mark brainliest.

6 0
3 years ago
Please help if you know the answer
worty [1.4K]
It's C. When you're dividing g(x) by f(x), you get the equations in both B. and C., but C is more correct because you can't have x=-1/3 because the function is undefined at that number (you can't have the denominator equal 0)
3 0
3 years ago
Read 2 more answers
Daniel has 15 yards of fabric to make a baby blanket
zubka84 [21]

Answer:

Than the baby blanket area is 15 yards. The length is 5 yards and the width is 3 yards.

3 0
3 years ago
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