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Fudgin [204]
3 years ago
13

When a is doubled, the new value is 10 more than a. What is the value of a??

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
8 0
The value of a is 10
Gala2k [10]3 years ago
4 0
If a were to be doubled, and be 10 more than the initial number, the value of a would also have to be 10 because when it is doubled, it becomes 20, and you can see that adding 10 to it will also make it be 20. The value of a would have to be 10.
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In a random survey of 300 people about the kind of apples they preferred, 178 said they preferred red apples. Based on these res
aliya0001 [1]

Answer:

2670

Step-by-step explanation:

4500/300 = 15

178*15=2670

5 0
3 years ago
Integers contain the whole numbers.true or false
julia-pushkina [17]
True, Integers mean "whole", and it cannot be a fraction or decimal


hope this helps
4 0
4 years ago
Read 2 more answers
Vertical? Supplementary? Right? Complementary?
Reika [66]

Answer:

D

Step-by-step explanation:

because we know that angle EOD is less the 90 so that means that it is complementary. For AOB it is  the same but we can check by adding 35 plus x plus 90 =180 degrees  so 35+90=125  x=180-125=55 so x=55 and 55 is less then 90  so it is a complementary angle.

7 0
3 years ago
Determine the lengths of the sides of the rectangle using the given area. Give answers both exactly and
Degger [83]

Answer:

Part a) Exactly values

The width of the rectangle is \frac{\sqrt{70}}{2}\ cm

The length of the rectangle is 2\sqrt{70}\ cm

Part b) Approximately values

The width of the rectangle is 4.2\ cm

The length of the rectangle is 16.7\ cm

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of rectangle is equal to

A=LW

we have

L=4x\ cm\\W=x\ cm

substitute the values in the formula

A=4x(x)

A=4x^2

A=70\ cm^2

so

70=4x^2

Solve for x

Divide by 4 both sides

\frac{70}{4}=x^2

square root both sides

x=(+/-)\frac{\sqrt{70}}{2}

The solution is the positive value

x=\frac{\sqrt{70}}{2}

therefore

<em>Exactly values</em>

L=4\sqrt{70}}{2}=2\sqrt{70}\ cm\\\\W=\frac{\sqrt{70}}{2}\ cm

<em>Approximately values</em>

L=4\sqrt{70}}{2}=16.7\ cm\\\\W=\frac{\sqrt{70}}{2}=4.2\ cm

6 0
3 years ago
In the fallowing diagram, it is shown that mEHG is a right angle, mEHF = x+ 1 and mGHF = 5x+5. Find the value of x, the numerica
GalinKa [24]

Answer:

x = 14

EHF = 15 degree  GHF = 75 degree  

Step-by-step explanation:

(x+1) + (5x+5) = 90

(x+5x)+ (1+5) = 90

6x + 6 = 90

6x = 90-6

6x = 84

x = 84/6

x = 14

EHF + GHF = 90 degree

EHF = x+1

       = 14 + 1 = 15

       = 15 degree

GHF = 5x+5

        = 14 x  5 (+5) = 70 + 5

        = 75 degree

EHF = 15 degree  GHF = 75 degree  

4 0
3 years ago
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