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Leviafan [203]
3 years ago
8

Solve this problem 3d+d-7=25/4

Mathematics
2 answers:
schepotkina [342]3 years ago
5 0
D=53/16

ALTERNATIVE FORM: 3 5/16

DECIMAL FORM:3.3125

creativ13 [48]3 years ago
4 0
If that 25/4 is a fraction them the answer is 53/4. Or in simplest form 3 5/16 or 3.3125
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(1/3)9 to the third power =
AlekseyPX
The answer would be 
1/3 * 9 = 3,
3^3 = 3*3*3, which then we multiply:
3*3=9, 9*3=27.
27 is the answer.


Hope this helps and have a nice day:)
8 0
3 years ago
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Grace rides her bike 21 km in 1 1/6 hours. What is her average speed in kilometers per hour?
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The expression 12(x + 4) represents the total cost of CDs Mei bought in April and May at $12 each. Which property is applied to
s2008m [1.1K]
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5x + 15 = 2x +3<br> x = what
gladu [14]

5x + 15 = 2x + 3 \\ 5x + 15 + 3 = 2x \\ 5x + 18 = 2x \\ 18 = 2x - 5x \\  - 3x = 18 \\ x =  \frac{18}{ - 3}  \\  \\ x =  - 6

<h2><u>x = (-6)</u></h2>

Hope this will help...

5 0
2 years ago
QUICK PLZZ!!! If m&lt;ABD = 71°, what are m&lt;ABC and m&lt;DBC?​
suter [353]

Answer:

m<ABC = 45

m<DBC = 34°

Step-by-step explanation:

Given:

m<ABD = 79°

m<ABC = (8x - 3)°

m<DBC = (5x + 4)°

Step 1: Generate an equation to find the value of x

m<ABC + m<DBC = m<ABD (angle addition postulate)

(8x - 3) + (5x + 4) = 79

Solve for x

8x - 3 + 5x + 4 = 79

13x + 1 = 79

Subtract 1 from both sides

13x + 1 - 1 = 79 - 1

13x = 78

Divide both sides by 13

x = 6

Step 2: find m<ABC and m<DBC by plugging the value of x into the expression of each angle

m<ABC = (8x - 3)°

m<ABC = 8(6) - 3 = 48 - 3 = 45°

m<DBC = (5x + 4)°

m<DBC = 5(6) + 4 = 30 + 4 = 34°

Step-by-step explanation:

!!

7 0
2 years ago
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