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3 years ago

Which is the right answer?????

Mathematics

1 answer:

trapecia [35]3 years ago

5 0

Answer:

Angle ABC = 58

_________________

These two angles are opposite but meet at the same vertex. This means that they are equal to each other. To solve the equation below, isolate the variable and you have your answer!

3x - 14 = 2x + 10

-2x -2x

x - 14 = 10

+14 +14

x = 24

Angle ABC

3(24) - 14 = ?

72 - 14 = 58

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Write the quadratic equation whose roots are 1 and 5, and whose leading coefficient is 2.

Deffense [45]

Answer:

$\Large \boxed{\sf \bf 2x^2-12x+10}$

Step-by-step explanation:

Hello,

As 1 and 5 are roots we can write, with a real number, the quadratic equation as

a(x-1)(x-5)

and as the leading coefficient is 2 then a = 2

It comes

$2(x-1)(x-5)=2(x^2-6x+5)=2x^2-12x+10$

Thanks

8 0

3 years ago

I need to know the answer

Lisa [10]

Slope = rise over run = the change in y over the change of x
if you want it to be exactly 2, then you have to make sure the equations are proportional.
-5 - y / 6-1
so you simplify it -5-y/ 5
the answer needs to be 2 times 5,
2 x 5 = 10, so you need to add 5 because that's what you subtract from it in the end.
y = 15

8 0

3 years ago

*UNIT RATE AND PROPORTIONS*

Advocard [28]

Answer:

Unit rate is $7 per pound.

6 pounds will cost $42

You can buy 10 pounds for $70

Step-by-step explanation:

28/4 = $7 --> Unit rate is $7 per pound.

7 × 6 = $42 --> 6 pounds will cost $42

70/7= 10 --> You can buy 10 pounds for $70

3 0

2 years ago

3x+3y+2(2x-y) equivalent fractions to this problem

Anastaziya [24]

Distribute the 2 into the 2x and -y

Then add “like terms” which are 3x and 4x... 3y and -2y

Which then becomes 7x+y

There are no more “like terms” so that is your final answer

6 0

3 years ago

Jamie bought medicine priced at $180 she had to pay 5% sales tax and an additional 1.5% for handling fee how much money did she

alekssr [168]

Answer:

$191.70

Step-by-step explanation:

total amount spent = cost of medicine + cost of tax + cost of shipping

cost of tax = 0.05 x $180 = $9

cost of shipping 0.015 x $180 = $2.70

total cost = $180 + $9 + 2.70 = $191.70

8 0

3 years ago