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2 years ago

Yo i need a high schoolers help on this math!

Mathematics

1 answer:

Aleks [24]2 years ago

5 0

Answer

I am not a highschooler, but I know the answer.

Its the first one (left side), and the last one (right side)

Step-by-step explanation:

Hope that helps. sorry if this answer was too late, I just saw this question pop up for me to answer.

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<img src="https://tex.z-dn.net/?f=-3a%2B8%3D14%3D" id="TexFormula1" title="-3a+8=14=" alt="-3a+8=14=" align="absmiddle" class="l

Bess [88]

$a = - 2$

Step-by-step explanation:

1) Subtract 8 from both sides.

$- 3a = 14 - 8$

2) Simplify 14 - 8 to 6.

$- 3a = 6$

3) Divide both sides by, -3.

$a = - \frac{6}{3}$

4) Simplify 6/3 to 2.

$a = - 2$

Therefor, the answer is, a = -2.

8 0

3 years ago

I need help with finding x<br> ANSWER ASAP!!!!!!!!!!

arsen [322]

The value of x is 36.

Solution:

Given angles of a triangle are 2x°, 2x° and x°.

To find the value of x:

<em>Sum of the all the angles of a triangle = 180°</em>

2x° + 2x° + x° = 180°

5x° = 180°

Divide by 5 on both sides of the equation.

x° = 36°

x = 36

The value of x is 36.

3 0

2 years ago

What is the area of this parallelogram? PLEASE HELP

zimovet [89]

Answer:

Step-by-step explanation:

the area of a parallelogram is the length of one of the sides multiplied with the length of the height on this side.

so, in this case it is

4×5 = 20 cm²

5 0

1 year ago

What is the difference?<br>

OleMash [197]

Answer:

Step-by-step explanation:

In the attached file

8 0

2 years ago

Las edades de dos hermanos tienen una razón de 2 a 1. Cuando transcurran 4 años, la razón entre sus edades será de 8 a 6. ¿Cuánt

Nataly [62]

Answer:

The age of brothers are 4 years and 2 years respectively.

Step-by-step explanation:

We are given that the ages of two brothers have a ratio of 2 to 1. When 4 years have passed, the ratio of their ages will be 8 to 6.

Let the age of the first brother be 'x years' and the age of the second brother be 'y years'.

So, according to the question;

The first condition states that the ages of two brothers have a ratio of 2 to 1, that means;

$\frac{x}{y} =\frac{2}{1}$

$x=2y$ -------------- [equation 1]

The second condition states that when 4 years have passed, the ratio of their ages will be 8 to 6, that means;

$\frac{x+4}{y+4}=\frac{8}{6}$

$6({x+4})=8}(y+4)$

$6x+24=8y+32$

$6(2y)+24=8y+32$

$12y-8y=32-24$

$4y=8$

$y=\frac{8}{4}$ = 2 years

Putting the value of y in equation 1 we get;

x = 2y

x = $2 \times 2$ = 4 years

Hence, the age of brothers are 4 years and 2 years respectively.

3 0

2 years ago