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allochka39001 [22]
4 years ago
10

Combine like terms. Please help me.

Mathematics
1 answer:
My name is Ann [436]4 years ago
3 0

Answer:

15y^2-45

Step-by-step explanation:

5y^2+10y^2-45 = 15y^2-45

You might be interested in
Factor 12x^3 -3x^2=0
AfilCa [17]

Answer:

Step-by-step explanation:

12x³ = 2²·3·x³

The greatest common factor of 12x³ and 3x² is 3x².

12x³ - 3x² = (4x - 1)3x²

4 0
3 years ago
Read 2 more answers
CHECK MY ANSWER ASAP
weqwewe [10]

Question 1: Equiangular

Question 2: Area of the parallelogram = 48 square centimeters

Question 3: Perimeter of the rectangle = 42 ft

Question 4: Area of the trapezoid = 154 square inches

Solution:

Question 1:

The given polygon is a rectangle.

The angles of each side of the polygon is 90°.

This means all angles are equal.

Hence Option A equiangular is the correct answer.

Question 2:

Area of the parallelogram = Base × Height]

                                           = 6 cm × 8 cm

Area of the parallelogram = 48 square centimeters

Question 3:

Perimeter of the rectangle = 2(length + width)

                                            = 2( 15 ft + 6 ft)

                                            = 2(21 ft)

Perimeter of the rectangle = 42 ft

Question 4:

Area of the trapezoid = \frac{1}{2}\times \text{sum of the parallel sides}\times \text{height}

                                    $=\frac{1}{2}\times (14+ 8)\times 14

                                    $=\frac{1}{2}\times 22\times 14

Area of the trapezoid = 154 square inches

8 0
4 years ago
Colton is going to invest $59,000 and leave it in an account for 10 years. Assuming
siniylev [52]

Answer:

4.66

Step-by-step explanation:

A=P(1+

n

r

​

)

nt

Compound interest formula

A=94000\hspace{35px}P=59000\hspace{35px}t=10\hspace{35px}n=365

A=94000P=59000t=10n=365

Given values

94000=

94000=

\,\,59000\left(1+\frac{r}{365}\right)^{365(10)}

59000(1+

365

r

​

)

365(10)

Plug in values

94000=

94000=

\,\,59000\left(1+\frac{r}{365}\right)^{3650}

59000(1+

365

r

​

)

3650

Multiply

\frac{94000}{59000}=

59000

94000

​

=

\,\,\frac{59000\left(1+\frac{r}{365}\right)^{3650}}{59000}

59000

59000(1+

365

r

​

)

3650

​

Divide by 59000

1.593220339=

1.593220339=

\,\,\left(1+\frac{r}{365}\right)^{3650}

(1+

365

r

​

)

3650

\left(1.593220339\right)^{1/3650}=

(1.593220339)

1/3650

=

\,\,\left[\left(1+\frac{r}{365}\right)^{3650}\right]^{1/3650}

[(1+

365

r

​

)

3650

]

1/3650

Raise both sides to 1/3650 power

1.000127613=

1.000127613=

\,\,1+\frac{r}{365}

1+

365

r

​

-1\phantom{=}

−1=

\,\,-1

−1

Subtract 1

0.000127613=

0.000127613=

\,\,\frac{r}{365}

365

r

​

365\left(0.0001276\right)=

365(0.0001276)=

\,\,\left(\frac{r}{365}\right)365

(

365

r

​

)365

Multiply by 365

0.046578745=

0.046578745=

\,\,r

r

4.6578745\%=

4.6578745%=

\,\,r

r

Convert to percent (multiply by 100)

r\approx

r≈

\,\,4.66\%

4.66%

5 0
3 years ago
How many feet of fencing would a farmer need if she wanted
Sauron [17]

Answer:

Well, it's the perimeter, so...40.

You just calculate the perimeter of a rectangle with the lenght of 12 and width of 8, by the formula

P = 2L+2W

or you can factor it out.

7 0
3 years ago
Estimate the quotient: 4,558 = 43.
aivan3 [116]

Answer:

106

Step-by-step explanation:

8 0
4 years ago
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