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3 years ago

Which of the following are monomials?

Mathematics

1 answer:

boyakko [2]3 years ago

7 0

B, E, and F
A monomial has only one term

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What is -5/8 / 9/10 ? A. -25/36 B. -9/16 C. -45/80 D. -1/36

Ivenika [448]

Hi there, -5*10/9*8=-50/72, -50/72 simplified is -25/36. Therefore, the answer is A. -25/36

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3 years ago

2x^2-10x-132 factor completely

Grace [21]

The value of X=11, -6

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3 years ago

How do I solve this?Farmer Ed has 1500 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If fa

Dafna1 [17]

We need to find the maximum (Vertex of the function)

Let:

L = Length = 1500 - 2x

W = Width = x

The area is given by:

$\begin{gathered} A=W\cdot L \\ A=x(1500-2x) \\ A=1500x-2x^2 \\ A(x)=1500x-2x^2 \end{gathered}$

We can find the maximum using the following formula:

$\begin{gathered} xm=-\frac{b}{2a} \\ where \\ a=-2 \\ b=1500 \\ so\colon \\ xm=-\frac{(1500)}{2(-2)}=\frac{1500}{4}=375 \end{gathered}$

Evaluate the area for the value we found previously:

$A(375)=-2(375)^2+1500(375)=-281250+562500=281250$

The largest area that can be enclosed is 281250m²

4 0

1 year ago

if a 14 foot tree casts a 8 foot long shadow. how tall is a tree that casts a 4 foot long shadow?

kvasek [131]

7-foot

EXPLANAT

Given:

14 foot tree

8foot shadow

4foot shadow

Let h be the height of a tee that casts a 4 foot long shadow.

Using proportion;

14 foot = 8 ft shadow

h = 4 ft shadow

Cross - multiply

8h = 56

Divide both-side by 8

h = 7 foot.

Hence, the tree is 7-foot.

4 0

1 year ago

tims math homework is on five consecutive pages in the math textbook, and the sum of those page numbers is 630. what is the page

Brrunno [24]

Answer:129

Step-by-step explanation:

630/5 is 126. Add 126, two numbers below it, and two above it. So, 124+125+126+127+128=630. The next page is 129

3 0

3 years ago