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3 years ago

7

Danny is planting an onion garden. The table shows the size of Danny's garden (in square feet), x, and the number of onions he c

an grow at a time, y. What is the unit rate?
A) 3
B) 4
C) 6
D) 8

2 answers:

il63 [147K]3 years ago

7 0

The unit rate is B) 4

NISA [10]3 years ago

4 0

Answer:

B.

Step-by-step explanation:

8÷2=4

12÷3=4

20÷5=4

28÷7=4

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1 1/2= v + 3/4 (that's 1 and a half, not 11 over 2)<br> what is v?

Irina-Kira [14]

Answer:

The value of v is 3/4.

Step-by-step explanation:

First, you have to convert mixed number into improper fraction :

$1 \frac{1}{2} \\ = \frac{2 \times 1 + 1}{2} \\ = \frac{3}{2}$

In order to find the value of v, you have to substract 3/4 to both sides :

$\frac{3}{2} = v + \frac{3}{4}$

$\frac{3}{2} - \frac{3}{4} = v + \frac{3}{4} - \frac{3}{4}$

$v = \frac{3 \times 2}{2 \times 2} - \frac{3}{4}$

$v = \frac{6}{4} - \frac{3}{4}$

$v = \frac{3}{4}$

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3 years ago

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A child on a merry go round has a linear velocity of 6mph. If the child is sitting 10ft from the center of the merrry go round,

lara31 [8.8K]

Answer:

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Step-by-step explanation:

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2 years ago

Write a quadratic function, in standard form, that fits the set of points. Solve it as a system of three equations. (-4, 9), (0,

Tresset [83]

Answer:

$\boxed{y=2x^2+4x-7}$

Step-by-step explanation:

Let the quadratic function be

$y=ax^2+bx+c$

We substitute $(-4,9)$ into the equation to obtain;

$9=a(-4)^2+b(-4)+c$

$\Rightarrow 9=16a-4b+c---(1)$

We substitute $(0,-7)$ to obtain;

$-7=a(0)^2+b(0)^2+c$

$\Rightarrow c=-7---(2)$

We finally substitute $(1,-1)$ to obtain;

$-1=a(1)^2+b(1)^2+c$

$\Rightarrow -1=a+b+c---(3)$

We put equation (2) into equation (1) to get;

$9=16a-4b-7$

$16a-4b=16$

$\Rightarrow 4a-b=4---(4)$

$\Rightarrow -1=a+b-7$

$\Rightarrow a+b=6---(5)$

We add equation (4) and (5) to get;

$4a+a=6+4$

$\Rightarrow 5a=10$

$\Rightarrow a=2$

We put $a=2$ into equation (5) to get;

$2+b=6$

$\Rightarrow b=6-2$

$\Rightarrow b=4$

The reqiured quadratic function is

$y=2x^2+4x-7$

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3 years ago

The scatterplot shows the number of free throws that different basketball players attempted and the number that each player made

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Y= 3x + 7
y= 3x + 5
y= 3x + 6
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3 years ago

Solve the subtraction equation one half minus three sevenths equals blank. Use multiplication to create equivalent fractions.

serg [7]

Answer:

b

Step-by-step explanation

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2 years ago

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