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taurus [48]
3 years ago
8

I don’t get it I need help solving this math problem I

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

Step-by-step explanation:

you know the total angle is 180° from A to D

and you know that ∠BEC is 90°

also you are told that ∠CED is 18°

and that ∠AEB is 4x°

so just put that all together

180=90 + 18 +4x

now solve for X

180-90-18=4x

72=4x

18 = x

so now you know X

now solve ∠AEB

4(18) = 72°

∠AEB= 72°

:)

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2.Dawood can proofread 50 pages in 40 minutes. How many pages can he proofread in 2 hours? 4 marks
Elden [556K]

Answer:

Q1:

150 pages is the answer

2 hours= 60+60minutes

So 120/40 =3

Answer= 50×3= 150.

Q2:

Using Work=men×days we get

Work=20×20

Work=400

Now, work is same and number of days are to be calculated

400=25×days

days= 16

400 = 25 x 16

so it will take 16 days

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Which of the following choices does not show a function?
Pie

Answer:

{(2,5), (3,7), (2, 9) } is not a function

Step-by-step explanation:

It's because the domain, which is the x value, has the same number twice, which is 2.

7 0
3 years ago
Read 2 more answers
A number written in fraction form whose numerator or denominator is itself a fraction is called a complex fraction.
pickupchik [31]
<h3>Answer:</h3>

"complex"

<h3>Explanation:</h3>

The sentence you're to complete is a direct copy of the sentence at the beginning of the problem statement. Match the words and identify the one corresponding to the blank.

_____

<em>Comment on the example</em>

"Copy and paste" does not always work well on Brainly, especially when the characters being copied are not text characters. Many fractions get mangled in the process.

We suspect you intend ...

(1/3)/(4/7) = (1/3) ÷ (4/7)

In typeset form, this might be ...

\displaystyle\frac{\left(\frac{1}{3}\right)}{\left(\frac{4}{7}\right)}

___

Please note that the symbols "/" and "÷" and the word "over" are generally taken to mean exactly the same thing.* When math operations are involved in numerators or denominators, generally you need to enclose those numerators and denominators in parentheses.

1/3÷4/7 = 1/(3·4·7) = 1/84

(1/3)÷(4/7) = (1/3)·(7/4) = 7/12

___

* Some web sites treat them differently. Sometimes "÷" is taken to mean "the quantity everything that comes before the symbol '÷' divided by the quantity everything that comes after the symbol". Sometimes the word "over" is intended to mean the same thing. This usage for ÷ and "over" is non-standard, so it is best to use parentheses to clarify intent.

5 0
4 years ago
Help me with this ASAP PLEASE
xxMikexx [17]
It is the first one
5 0
4 years ago
The yummy ice cream company wants to package ice cream in cylindrical containers that have a volume of 5453 cubic centimeters. T
Aneli [31]

Answer:

17.4 (3 Significant numbers)

Step-by-step explanation:

Formula for finding Cylinder : π r² h

So your 5453 = π x (20cm ÷ 2)² x height

To get height (tallness), divide 5453 by (100π)

Depending on your π, your answer should be either, 17.366 / 17.35 / 17.357 which all rounds up to 17.4 if your question asks for 3 significant figures

8 0
3 years ago
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