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3 years ago

HELP ASAP!!!!!!!! what is the unit rate expressed in price per pound

Mathematics

1 answer:

maxonik [38]3 years ago

5 0

Answer:

$0.80

Step-by-step explanation:

You have to divide 24 by 30 to find the price per pound

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jekas [21]

it would be da families with 1 child

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3 years ago

Find the 20th term in arithmetic sequence -4, 1, 6, 11, 16,

givi [52]

91, I just kept adding 5 until I got to the 20th term

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3 years ago

I needed help on this

Strike441 [17]

Answer:

Step-by-step explanation:

Let Freda's sum = x

Donnie has 3/4 x

He spends 63 dollars. His sum is now

3/4x - 63

Now the equation looks like this

6(3/4x - 63) = x Remove the brackets

6*3/4 x - 378 =x

6 * 3/4 = 4 1/2

4 1/2 x - 378 = x Add 378 to both sides

4 1/2 x = x + 378 Subtract x from both sides

3.5 x = 378 Divide by 3.5

x = 378 /3.5

x = 108

Since x = 108, that's how much Freda had. (She spent nothing).

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3 years ago

Decide whether the equations is a trigonometric function identity, EXPLAIN.

hodyreva [135]

(1) Answer: Identity true

$\cos^2x(1+\tan^2x)=\cos^2x(1+\frac{sin^2x}{cos^2x})=\\= \cos^2x\frac{cos^2x+sin^2x}{cos^2x}=1$

(2) Answer: Identity true

$\sec x \tan x(1-\sin^2x)=\sin x\\\frac{1}{\cos x}\frac{\sin x}{\cos x}(\cos^2x)=\sin x\\\sin x = \sin x$

(3) Answer: Identity true

$\sin^2(\theta)\csc^2(\theta)=\sin^2(\theta)+\cos^2(\theta)\\\sin^2(\theta)\frac{1}{\sin^2(\theta)}=\sin^2(\theta)+\cos^2(\theta)\\1 = 1$

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3 years ago

Solve 2y = 6x + 10 y = 2x + 4

mihalych1998 [28]

Answer:

x =-1

Step-by-step explanation:

$\left \{ {{2y = 6x +10} \atop {y = 2x +4}} \right.$

replace y by 2x +4 in the first equation

2(2x + 4) = 6x + 10

4x + 8 = 6x + 10

-2x +8 = 10

-2x = 2

x = -1

7 0

3 years ago