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3 years ago

Hhhheeeeeellllllppp its math

Mathematics

2 answers:

ella [17]3 years ago

8 0

Answer:

Step-by-step explanation:

Subtracting a negative, which in this case is -7, is the same as adding a positive, so c is the answer.

bulgar [2K]3 years ago

7 0

Answer:

C. -11+7

Step-by-step explanation:

Hope this helps!

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Can anyone help me solve this problem?

lions [1.4K]

Answer:

x=58, m<DCB=56°

Step-by-step explanation:

Ok the sum of those two angles should equal 180 degrees so,

2x+8+x-2=180

solve the equation

3x+6=180

3x=174

x= 58

M<DCB=x-2--> 58-2=56

6 0

3 years ago

(-6x3-4x2-8)+(x3-x2-9x+4) add together and simply

Aleksandr [31]

Answer:

-5x³ -5x² -9x - 4

Step-by-step explanation:

(-6x³-4x²-8)+(x³-x²-9x+4)

Add the like terms.

-6x³ and x³ are like terms. -6x³ + x³ = -5x³

-4x² and -x² are like terms. -4x² - x² = -5x²

-8 and 4 are like terms. -8 + 4 = -4

-6x³-4x²-8 +x³-x²-9x+4 = -5x³ -5x² -9x - 4

6 0

3 years ago

over a period of ten years Pats income rose from 15000 to 20000 round to the nearest whole number by what percentage did her inc

ludmilkaskok [199]

Original Income = 15,000
New income = 20,000

The percentage Increase in the income can be calculated as:

$\frac{Change}{Original} * 100$ %

The change in income = 20000 - 15000 = 5000

Using the values, we get:

$\frac{5000}{15000}*100$ %

= $33.33$ %

This means, Pats income increased by 33.33% in a period of ten years

5 0

3 years ago

PLS HELP ME WITH MATH!!!!!

Romashka-Z-Leto [24]

Answer:

⚪ (4 • 3) + (4 • 8)

Step-by-step explanation:

$4•(3 + 8)$