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grigory [225]
3 years ago
11

What is the area of a triangle 7.8cm height and 12.8 cm with

Mathematics
1 answer:
elena55 [62]3 years ago
4 0
First: Multiply the measurements.
• 7.8 x 12.8 = 99.84
Second: Divide by 2.
• 99.84/2 = 49.92
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Which arrangement shows 318 , 3.7, 334 , and 3.89 in order from least to greatest?
Stolb23 [73]

Answer: OPTION D.

Step-by-step explanation:

<h3> The complete exercise is: "Which arrangement shows 3\frac{1}{8}, 3.7, 3\frac{3}{4}, and 3.89 in order from least to greatest?"</h3><h3> </h3>

Convert from mixed numbers to decimal numbers.

The steps to do this, are the following:

1. You must divide the numerator of the fraction by the denominator.

2. Then you must add the quotient obtained to the whole number part.

Applying this procedure, you get that:

3\frac{1}{8}=3+0.125=3.125

3\frac{3}{4}=3+0.75=3.75

Now that you have all the numbers in decimal form, you can order from least to greatest:

3.125,\ 3.7,\ 3.75,\ 3,89

Therefore, you can conclude that the correct arrangement is:

3\frac{1}{8},\ 3.7,\ 3\frac{3}{4},\ 3,89

3 0
3 years ago
Read 2 more answers
In the school band, there is 1 boy for every 5 girls. There is a total of 12 boys. How many girls are in the band?
Sophie [7]

Answer:

60

Step-by-step explanation:

5 times 12

4 0
3 years ago
Help please!!!!!!!!!!!!
matrenka [14]

Answer:

your answer is as follows

Step-by-step explanation:

5x+20=3x+60

2x=40

x=20

(equating the slopes)

8 0
2 years ago
Who ever solves this is a math wiz
WINSTONCH [101]
1. X=3, 2. X=4, 3. X= 95/2
6 0
3 years ago
I am stuck on this question of my maths test.
V125BC [204]

Answer:

angle y

58 + 38 + y = 180 (angle sum property)

96 + y = 180

y = 180 - 96

y = 84

angle x

x = 29 (58/2)

(angle subtended by an arc at centre is double the arc at any point on remaining part of centre)

the values of x = 29 and y = 84

6 0
3 years ago
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