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3 years ago

Question is on the screenshot.

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

6 0

Answer : Last option
Tanx =48/80

Tan(angle) = opposite/adjacent
Tanx = 48/80

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2 × (3 – 1) + 3 simplify

mestny [16]

First you always do the Parenthesis.
So 2×2+3
Next you multiply.
So 2×2=4 + 3
Then you add.
So your answer will be 7.
Hope this helps!

7 0

3 years ago

Please help image below

Shkiper50 [21]

Answer:

44 cm

Step-by-step explanation:

3 0

3 years ago

Your third-grade classroom has 32 boys and girls. Two-thirds of the boys and three-fourths of the girls are going on a field tri

adelina 88 [10]

Answer: The ratio of boys to girls would be 3 : 5 .

Step-by-step explanation:

Since we have given that

Number of boys and girls = 32

Fraction of boys are going on a field trip = $\dfrac{2}{3}$

Fraction of girls are going on a field trip = $\dfrac{3}{4}$

Number of children left = 9

Let the number of boys be 'b'.

Let the number of girls be 'g'.

According to question, it becomes ,

$b+g=32------------(1)\\\\32-9=\dfrac{2}{3}b+\dfrac{3}{4}g\\\\23=\dfrac{2b}{3}+\dfrac{3g}{4}-------------(2)$

From eq(1), we get that g = 32-b

So, it becomes,

$\dfrac{2}{3}b+\dfrac{3}{4}(32-b)=23\\\\\dfrac{2}{3}b+24-\dfrac{3}{4}b=23\\\\\dfrac{2}{3}b-\dfrac{3}{4}b=23-24=-1\\\\\dfrac{8b-9b}{12}=-1\\\\\dfrac{-b}{12}=-1\\\\b=-1\times -12\\\\b=12$

so, number of girls would be 32 - b = 32 - 12 = 20

So, Ratio of boys to girls in class would be 12 : 20 = 3 : 5.

Therefore, the ratio of boys to girls would be 3 : 5 .

7 0

4 years ago

A jar contains 100 gum balls. There are 12 blue gum balls, 15 green gum balls, 37 red gum balls, and 36 yellow gum balls. What i

MissTica

Yellow gumballs = 36
Total = 100
$\frac{36}{100} = \frac{9}{25}$
The probability of randomly selecting a yellow gumball is
$\frac{9}{25}$
Hope this helps.

7 0

4 years ago

Read 2 more answers

A student found the product of 8 x 10 ^6 and 5 x 10 ^9 to

laila [671]

Answer:

Step-by-step explanation:

the correct answer is 4x10^16

8x10^6 times 5 x 10^9

= 40 x 10^15

= 4 x 10^16

there is 40 which is 4 x 10, which you can add to the 10^15 to become 10^16

5 0

3 years ago