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natulia [17]
3 years ago
15

Help me please

Mathematics
2 answers:
Feliz [49]3 years ago
6 0

Answer:

100

Step-by-step explanation:

100-30=70

70÷10=7

7 days or 1 week

if it is not right please let me know

sattari [20]3 years ago
3 0

Answer:

7 days

Step-by-step explanation:

100 - 30 = 70

This means that she still needs to write 70 pages.

70/10 = 7

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What is the value of A and B and if you can please show how you got that answer
son4ous [18]

Answer:

a = 4.5 units

b = 7.5 units

Step-by-step explanation:

By using mean proportional theorem in the ΔACB,

ΔACB ~ ΔADC ~ ΔCDB

\frac{AD}{CD}=\frac{CD}{DB}

\frac{8}{6}=\frac{6}{a}

a = \frac{6\times 6}{8}

a = 4.5

\frac{AB}{CB}=\frac{CB}{DB}

\frac{(a+8)}{b}=\frac{b}{a}

Since a = 4.5

\frac{4.5+8}{b}=\frac{b}{4.5}

b² = 4.5 × 12.5

b = √56.25

b = 7.5 units

Therefore, a = 4.5 units and b = 7.5 units will be the answer.

3 0
3 years ago
A restaurant serves a 16 inch pizza and a 20 inch pizza. About how many square inches is<br> each?
mamaluj [8]

Answer:

16×16=256

20×20=400

multiply the number with its self and that's the square inches of each pizza.

3 0
3 years ago
I need help with this math questions
kompoz [17]
1. X=6,-6
2. X=8, - 8
8 0
3 years ago
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allochka39001 [22]
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4 years ago
I have a Brainliest please help me
Marat540 [252]

40 * 7.85 = 314

32.24 + 24.02 + 24.53 = 80.79


314 - 80.79 = 233.21

 Answer is D

6 0
4 years ago
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