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aleksklad [387]
3 years ago
7

What's the answer for this? CLASS 6 MATHS I NEED HELP ASAP!!!​

Mathematics
1 answer:
devlian [24]3 years ago
7 0

Answer:

20:

3 5/12 or 41/12

21:

-9 5/8 or -77/8

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Whats the best way to solve angle problems​
sweet-ann [11.9K]
Like what kinds? Finding out the type of angle? The degree?
3 0
3 years ago
Solve for b 15=3b<br> Please I need help
IgorLugansk [536]
15=3b
15/3 = 3b/b
5= b

Isolate the variable by diving 3 on both sides
6 0
3 years ago
What are the a b and c values of 3x^2-4x=20
joja [24]

Answer:

a = 3, b = -4, c = -20

Step-by-step explanation:

<u>Step 1:  Find the a, b, and c values</u>

ax^2 + bx +  c = 0

3x^2 - 4x - 20 = 0

The a value is:  3

The b value is:  -4

The c value is:  -20

Answer:  a = 3, b = -4, c = -20

8 0
3 years ago
Maureen earned some money doing odd jobs last summer and put it in a savings account that earns 9% interest compounded quarterly
ivolga24 [154]

Answer:

Maureen earned $123.19 doing odd jobs

Step-by-step explanation:

The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.

In this question:

Compounded quarterly means that n = 4

10 years, so t = 10

9% interest, so r = 0.09

There is $300.00 in the account, which means that A = 300

How much did Maureen earn doing odd jobs?

This is P.

A(t) = P(1 + \frac{r}{n})^{nt}

300 = P(1 + \frac{0.09}{4})^{4*10}

(1.0225)^{40}P = 300

P = \frac{300}{(1.0225)^{40}}

P = 123.19

Maureen earned $123.19 doing odd jobs

5 0
3 years ago
Write the rate as a unit rate: 64 miles in 4 hours
suter [353]

Answer:

The answer is 16

Step-by-step explanation:

You only have to divide 64/4

4 0
3 years ago
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