3 years ago

Evaluate 30 + a - y, let a = 6 and y = 5

Mathematics

1 answer:

yuradex [85]3 years ago

4 0

30 + 6 -5=31
30 +a-y

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Candace bought 5 magazines. Her total bill came to $8.75. If all the magazines cost the same amount, what was the cost of one ma

Ainat [17]

The answer would be 1.75
1.75 x 5 = 8.75

8 0

2 years ago

A bee beats its wings 250 times each second what is the average time for a single beat of a bee's wing

eduard

No. Of times bee beats in 1 sec=250
Average time =?
Frst find how many times bee beats in 1 min.
No. Of times bee beats in 1 min= 250*60=15000
Average time= 15000/ 250
Average time=60 times

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3 years ago

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Solve 1/p+1/s=1 for p

jekas [21]

Answer:

Step-by-step explanation:

Multiply through by the L. C. M which is PS.

1/p*ps+1/s*ps=1*ps

P+p=ps

2p=ps

Divide both sides by 2

2p/2=ps/2

P=ps/2

3 0

3 years ago

Can someone help me its urgent:( ??

wariber [46]

Answer:

see the procedure

Step-by-step explanation:

Identify

Let

x ---> the cost of the Xbox one at Walmart

Strategy

we know that

The cost of the Xbox one at Walmart multiplied by 2 plus $50 must be equal to $450

Set up

The algebraic expression that represent this situation is

$450=2x+50$

Solve

solve for x

$450=2x+50$

$2x=450-50\\2x=400\\x=\$200$

Check

substitute the value of x in the equation

$450=2(200)+50$

$450=450$ ----> is ok

6 0

3 years ago

Find the value of x if g(x) = - 18 for g(x) = 2x - 8

nalin [4]

Hi there!

$\large\boxed{x = -5}$

Find the value of 8 by substituting in -18 for g(x):

-18 = 2x - 8

Add 8 to both sides:

-10 = 2x

Divide both sides by 2:

-10/2 = 2x/2

x = -5

8 0

3 years ago

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