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n200080 [17]
2 years ago
8

Please solve!!! Bbkakakaj

Mathematics
1 answer:
sdas [7]2 years ago
6 0

Answer:

B is the answer because yes

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A recipe calls for 4 cups of peanuts for 5 cups of flour. Using the same recipe, how many cups of flour will you need for 3 cups
elena-14-01-66 [18.8K]
The correct answer is 4
3 0
2 years ago
$75 before tax. Disc: 10% Tax: 7%, Tip: 20% what’s the total?
ololo11 [35]

Answer:

$102.75

Step-by-step explanation:

Given the following question:

We are given a cost of 75 dollars and are being asked to find the total cost after adding a tip, tax, and disc to the cost. To find this answer we will use the formula to calculate percentages making sure we use 75 as our base for each addition to our total cost.

<u>Formula to calculate percentages:</u>

\frac{p\times n}{100}

<u>First the disc:</u>

\frac{10\times 75}{100}
10\times75=750
750\div100=7.5
=7.5

<u>Next the tax:</u>

\frac{7\times75}{100}
7\times75=525
525\div100=5.25
=5.25

<u>Last but not least the tip:</u>

\frac{20\times75}{100}
20\times75=1500
1500\div100=15
=15

<u>Finally add:</u>

75+7.50+5.25+15=102.75
=102.75

The total cost after adding the disc, tax, and the tip will be "$102.75."

Hope this helps.

5 0
2 years ago
What are the solutions of the equation x^4 – 5x^2 – 36 = 0? Use factoring to solve.
hammer [34]

Answer:

Step-by-step explanation:

The equation is x^4 – 5x^2 – 36 = 0

We will break the middle term:

Firstly multiply the coefficient of x^4 by constant term of the equation:

1*36 = 36

Now find any two numbers whose product is 36 and their sum or difference is equal to 5

9*4 = 36

9-4 = 5

Now,

x^4 – 5x^2 – 36 = 0

x^4-9x^2+4x^2-36=0

Now take the common:

x^2(x^2-9)+4(x^2-9)=0

(x^2+4)(x^2-9)=0

x²+4=0,

x²= 0-4,

x²=-4,  

Take root on both sides:

√x²=+/-√-4

+/-√-4 = +/-√-1 *√4

√-1 = i

Then +/-√-1 *√4 = √4 i

We know that the root of 4 is 2

Then we can write it as +/-2i

Thus x = 2i , -2i

Now (x^2-9)= 0

x²=0+9

x²=9

Take square root on both sides:

√x²=√9

x=+/-3

x= 3, -3

Therefore the values of x are 2i, -2i, 3 , -3 ....

3 0
3 years ago
Please I need help! answer below.<br> Is A. B. C. D.?
Maksim231197 [3]

Answer:

it is B

Step-by-step explanation:

6 0
3 years ago
Ughh i suck at dilation
Ivenika [448]
Look at!!:
Pre image  A(3,4), B(1,5) C(6,6);
If you multiply these coordinates by 3/2, you get its images:

A(3,4)              ⇒ A`(3*3/2, 4*3/2)=(4.5, 6)
B(1,5)              ⇒B`(1.*3/2,  5*3/2)=(1.5, 7.5)
C(6,6)              ⇒C`(6*3/2, 6*3/2)=(9,9)

Therefore the scale factor is 3/2. 
When the scale factor of a dilation is >1, then we have an enlargement, an expansion.
In this case 3/2=1.5>1

Answer: 

The dilation is expansion.
The scale factor is 3/2. 
7 0
3 years ago
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