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kondor19780726 [428]
3 years ago
14

How do you write 5.4 as a mixed number?

Mathematics
1 answer:
charle [14.2K]3 years ago
4 0
5 is a whole number so keep it as 5  then 4 is in the tenths place so that means have ten for the denominator so 5 and 4/10 is the mixed number then simplified to 5 and 2/5 
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In the figure QU=ST<br> What is the length of QR?
marysya [2.9K]

Answer:

the answer is 80

Step-by-step explanation:

QR=ST: 7x+3=5x+25

2x=22

x=11

7(11)+3=80      5(11)+25=80

3 0
2 years ago
What is 51/2 × 21/3? <br><br> A. 132/5<br> B. 131/6<br> C. 127/8<br> D. 125/6
IRINA_888 [86]
In multiplying fractions, you multiply the numerators and denominators.
51 / 2 * 21 / 3
can be reduced as

(17 / 2) * (21 / 1)
357 / 2 --> This is the answer based on the given.

Assume that its a mixed fraction:
5 1/2 * 2 1/3
11/2 * 7/3
= 77 /6
7 0
3 years ago
What is the value of f(-2) and f(3)
polet [3.4K]

Answer:

Step-by-step explanation:

When answering questions like this, we  have to first decide which function we have to use. This is done by looking at the given domains (the x≤-2 etc). The first question ( f(-2) ), means we have to choose the function that applies to the x-coordinate -2. x=-2 is part of the section x ≤-2 since the sign means larger or equal to -2. Hence, we use the function 2x+8 to calculate f(-2). After finding this, the solving is relatively easy, just fill in the x-coordinate:

f(-2) = 2 * -2 + 8 = -4 + 8 = 4

The second one needs the same method. x=3 belongs in the section

-2 < x ≤ 3, since the final part means x is smaller or equal to 3, and in this case it is. Hence we use x^{2} -3 here:

f(3) = 3² - 3 = 9 - 3 = 6

I hope this helps! Feel free to reach out if you still have questions

7 0
3 years ago
Brody deposited 8,001 in a savings account with simple interest. Four months later the account held 8,267.70. What is the intere
Travka [436]

Answer:

R = 0.8333%/month

(R = 9.9996%/year)

Equation:

r = (1/t)(A/P - 1)

Calculation:

Solving your equation:

r = (1/4)((8267.7/8001) - 1) = 0.00833333

r = 0.00833333

Converting r decimal to R a percentage

R = 0.00833333 * 100 = 0.8333%/month

Calculating the annual rate

0.8333%/month × 12 months/year = 9.9996%/year.

The interest rate required to get a total amount, principal plus interest, of $8,267.70 from simple interest on a principal of $8,001.00 over 0.333333 years (4 months) is 0.8333% per month.

8 0
3 years ago
Please help me or i will fail
DerKrebs [107]
We gots a squrae and 1/4 circle
circle=pir²
square=side²
side=r=8
so

area=8²+(1/4)pi8²
area=64+(1/4)pi64
aer=64+16pi
area=64+50.24
area=114.24 cm²
2nd option
3 0
4 years ago
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