Will's teacher expressed his social studies quiz grade as 17/20. What is his quiz grade expressed as a percent?

Mathematics

1 answer:

lukranit [14]2 years ago

7 0

Answer:

Step-by-step explanation:

0.85%

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Pls answer you dont have to show work

Vlada [557]

Answer:

Option C, 6.5

Step-by-step explanation:

<u>Step 1: Substitute y in the equation 3x - 5y = 22</u>

3x - 5y = 22

3x - 5(-5x + 32) = 22

3x + 25x - 160 + 160 = 22 + 160

28x / 28 = 182 / 28

x = 6.5

Answer: Option C, 6.5

8 0

2 years ago

Colin invests £3900 into his bank account.

zloy xaker [14]

Answer:

Colin will have 421824 pennies after 2 years

Step-by-step explanation:

Given:

Amount invested in bank by Colin (P) = £3900

Rate of interest (r) = 4%

Time period (n) = 2 years

To find: Amount after 2 years (A)

Solution:

Formula for amount (A) is $A=P\left ( 1+\frac{r}{100} \right )^n$

$A=3900\left ( 1+\frac{4}{100} \right )^2\\=3900\left ( 1+\frac{1}{25} \right )^2\\=3900\times \frac{26}{25}\times \frac{26}{25}\\=4218.24$

As 1 pound = 100 pennies,

4218.24 pounds = 4218.24 × 100 = 421824 pennies

So,

Colin will have 421824 pennies after 2 years.

4 0

2 years ago

Someone help with this math problem

7nadin3 [17]

She needs 1/6 almonds , 1/3 walnuts and 1/2 of raisins as a fraction of total trail mix.
So she spends $2.5 on almonds. $5 on walnuts and $10 on raisins (total $15)

so that is 2.5/12 = 0.208 pounds almonds
5 / 10.5 = 0.476 pound walnuts
10/4 = 2.5 pounds raisins

so total wieght of the trail mix is 3.19 pounds

8 0

3 years ago

Make x the subject <br><br> PLEASE HELP ILL GIVE BRAINLIEST ASAP

Phoenix [80]

Answer:

$x = \frac{(a+1)f^3}{2e}$