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3 years ago

Help me dont understand and know files pls

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

3 0

Answer:

if I'm not mistaken the answer is d

Stells [14]3 years ago

3 0

Answer:

Equation D, y = 1.75x + 6.25

Step-by-step explanation:

We know that the common ratio is 1.75 which means that the data would go up by $1.75 each time and then an additional of 6.25 is also there. Hence, 1.75 would be the slope and 6.25 would be the intercept of the equation.

Hope this helps!

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Students who attend Washington Middle School are either in seventh or eighth grade. At the end of the first semester 25% of the

Irina18 [472]

Answer:

There are 1240 students who attended Washington Middle School.

Step-by-step explanation:

Given:

Students who attend Washington Middle School are either in seventh or eighth grade.

At the end of the first semester 25% of the students at Washington Middle School were on the honor roll.

Seventh graders represented 60% of the students on the honor roll.

If 124 students on the honor roll were in eighth grade.

Now, to find the students attend Washington Middle School.

Let the total number of students be $x.$

So, the students at Washington Middle School were on the honor roll:

25% of $x$

$=\frac{25}{100} \times x$

$=\frac{25x}{100}$

$=\frac{x}{4}$

As, given seventh graders represented 60% of the students.

So, the students on the honor roll represented as seventh graders:

$60\%\ of\ \frac{x}{4}$

$=\frac{60}{100} \times \frac{x}{4}$

$=0.6\times \frac{x}{4}$

$=\frac{0.6x}{4}$

As, 124 students on the honor roll were in eighth graders.

Thus,

According to question:

$\frac{x}{4} -\frac{0.6x}{4} =124$

$\frac{x-0.6x}{4} =124$

$\frac{0.4x}{4} =124$

Multiplying both sides by 4 we get:

$0.4x=496$

Dividing both sides by 0.4 we get:

$x=1240.$

Therefore, there are 1240 students who attended Washington Middle School.

6 0

4 years ago

Click and drag to draw a ray from the yellow dot.

miv72 [106K]

Answer:

1/2(m∠JKL) = m∠JKM

Step-by-step explanation:

The angle JKL is being bisected by line KM. This means that the angle has been split into 2 equal angles. Therefore, one of these angles will be equal to 1/2 of the large angle. So, option B, 1/2(m∠JKL) = m∠JKM, is correct.

3 0

3 years ago

Keri walks her dog every morning. The length of tue walk is 0.55 kilometers on each weekday. One each weekend day, the walk is 1

aliya0001 [1]

Kiri walks : 4 km per week

0.5 × 5 + 0.75 × 2 = 2.5 + 1.5 = 4 km per week.

WHY?

Because 0.55 is close to 0.5 and 1.4 is closer to 1.5

HOPE THIS HELPS

7 0

3 years ago

Find the value of a.

Nataly_w [17]

Answer: See below

Explanation:

6a + 11 = 2a + 83
6a - 2a = 83 - 11
4a = 72
a = 72/4
a = 18

6 0

3 years ago

Read 2 more answers

Which expression is equivalent to 4/6/3/2

Vlad1618 [11]

Answer:

the 3rd one

Step-by-step explanation:

I had this question on edgunity

7 0

3 years ago