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Sidana [21]
3 years ago
9

O MODULE 1: EXPRESSIONS AND EQUATIONS

Mathematics
1 answer:
Whitepunk [10]3 years ago
7 0

Answer:

First, multiply the 5 by each of the terms inside the parentheses. Next, simplify each part of the expression and then add. The answer is 5(2+3)=25. The distributive property also works if there is subtraction inside the parentheses

Step-by-step explanation:

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Plss help me and explaim too​
masya89 [10]

Answer:

a = b = 1

Step-by-step explanation:

The triangles are similar thus ratios of corresponding sides are equal, that is

\frac{10}{2} = \frac{5}{b} ( cross- multiply )

10b = 10 ( divide both sides by 10 )

b = 1

and

\frac{10}{2} = \frac{5}{a} ( cross- multiply )

10a = 10 ( divide both sides by 10 )

a = 1

Thus a = 1 and b = 1

3 0
3 years ago
Adding and subtracting positive and negative numbers
algol13

Answer:

Step-by-step explanation:

Rule Example

+(+) Two like signs become a positive sign 3+(+2) = 3 + 2 = 5

−(−) 6−(−3) = 6 + 3 = 9

+(−) Two unlike signs become a negative sign 7+(−2) = 7 − 2 = 5

−(+) 8−(+2) = 8 − 2 = 6

5 0
3 years ago
Read 2 more answers
A wedge of cheese in the shape of a triangular prism has lengths of 10 cm, 13 cm, and 13 cm for its triangular sides. The perpen
Rina8888 [55]

Answer:

480 cubic cm.        

Step-by-step explanation:  

We have been given that a wedge of cheese in he shape of a triangular prism has lengths of 10 cm, 13 cm, and 13 cm for its triangular sides. The perpendicular distance from the 10 cm side to the point of the wedge is 12 cm. The height of the wedge is 8 cm.  

\text{Volume of triangular prism}=\text{Base area*Height of the wedge}

We can see from our attachment that base of our triangular face is 10 cm and height of the triangular face is 12 cm and height of wedge is 8 cm.

Substituting these values in volume formula we will get,

\text{Volume of cheese wedge}=\frac{1}{2}*\text{10 cm*12 cm*8 cm}

\text{Volume of cheese wedge}=\text{5 cm*12 cm*8 cm}

\text{Volume of cheese wedge}=480\text{cm}^3

Therefore, the volume of cheese wedge will be 480 cubic cm.  

4 0
3 years ago
10=x square root plus 2x minus 15
blsea [12.9K]
2(10)-15=x
20-15=x
x=5
4 0
3 years ago
Help please describe patterns as quick as possible thank you and have a great day
NARA [144]

Answer:

40,20,10

Step-by-step explanation:

3. 640÷2=320, 360÷2=160, 160÷2=80 and so on

4 0
2 years ago
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