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marishachu [46]
3 years ago
8

The sum of one and the product of four and a number x

Mathematics
2 answers:
frez [133]3 years ago
7 0
1+(4x) ??????????? I think so
patriot [66]3 years ago
4 0
Easy...  1+4x (x representing a number not times*)
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Find the measures of the angles in ∆ABC if m∠A : m∠B : m∠C = 2:3:4.
g100num [7]

Answer:

A=40, B=60, C=80

Step-by-step explanation:

180/7 to find what "1" would be in the ratio then multiply 20*2, 20*3, 20*4.

3 0
3 years ago
How to answer <br> 100x^2+60x+9
iVinArrow [24]

Answer:

Step-by-step explanation:

Rewrite

100

x

2

100

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as

(

10

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)

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(

10

x

)

2

.

(

10

x

)

2

+

60

x

+

9

(

10

x

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2

+

60

x

+

9

Rewrite

9

9

as

3

2

3

2

.

(

10

x

)

2

+

60

x

+

3

2

(

10

x

)

2

+

60

x

+

3

2

Check the middle term by multiplying

2

a

b

2

a

b

and compare this result with the middle term in the original expression.

2

a

b

=

2

⋅

(

10

x

)

⋅

3

2

a

b

=

2

⋅

(

10

x

)

⋅

3

Simplify.

2

a

b

=

60

x

2

a

b

=

60

x

Factor using the perfect square trinomial rule

a

2

+

2

a

b

+

b

2

=

(

a

+

b

)

2

a

2

+

2

a

b

+

b

2

=

(

a

+

b

)

2

, where

a

=

10

x

a

=

10

x

and

b

=

3

b

=

3

.

(

10

x

+

3

)

2

3 0
3 years ago
The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the red haired students are boys? G
Step2247 [10]

Answer:

\frac{3}{4}

Step-by-step explanation:

Total red haired students = 15+5 = 20

Boys = 15

<u><em>Fraction:</em></u>

=> \frac{15}{20}

<u><em>In simplest form:</em></u>

=> \frac{3}{4}

3 0
3 years ago
Given: JP = KP; PX = PY<br> Prove: APYJ - APXK<br> Which best describes the missing reasons?
Alex73 [517]

Answer:

SAS Reflective property

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
what is an equation for the line that passes through the points (0,-4) (7,11) in slope-intercept form
fomenos

Answer:

y=15/7x-4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(11-(-4))/(7-0)

m=(11+4)/7

m=15/7

y-y1=m(x-x1)

y-(-4)=15/7(x-0)

y+4=15/7(x)

y+4=15/7x

y=15/7x-4

4 0
3 years ago
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