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4 years ago

I’d you could help I’d appreciate it

Mathematics

1 answer:

arlik [135]4 years ago

6 0

Answer:grater than 8 less than 9

Step-by-step explanation:

had the same question

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A walking trail through a forest preserve is 34,215 meters in length .What is length in kilometers of the trail ?

Alika [10]

34.215 kilometers you move the decimal to the left three places because Kilo means 1000 and there are 3 zeros in 1000. you move left because Kilometer is bigger than meter.

4 0

4 years ago

Read 2 more answers

Do y’all the answer?

Strike441 [17]

Length = 12 m and width = $\frac{7}{2}$ m.

Solution:

Let the width of the rectangle be w.

Length of the rectangle = 2w + 5

Area of the rectangle given = 42 m²

<em>Area of the rectangle = length × width</em>

length × width = 42

(2w + 5) × w = 42

$2w^2+5w=42$

Subtract 42 from both sides, we get

$2w^2+5w-42=0$

Using quadratic formula,

$$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, $a=2, b=5, c=-42$

$$w=\frac{-5 \pm \sqrt{5^{2}-4 \cdot 2(-42)}}{2 \cdot 2}$

$$w=\frac{-5 \pm \sqrt{25+336}}{4}$

$$w=\frac{-5 \pm \sqrt{361}}{4}$

$$w=\frac{-5 \pm19}{4}$

$$w=\frac{-5+19}{4}, w=\frac{-5-19}{4}$

$$w=\frac{14}{4}, w=\frac{-24}{4}$

$$w=\frac{7}{2}, w=-6$

Dimension cannot be in negative, so neglect w = –6.

Width of the rectangle = $\frac{7}{2}$ m

$$L=2(\frac{7}{2} )+5=12 \ m$

Hence length = 12 m and width = $\frac{7}{2}$ m.

4 0

3 years ago

What is the answer to this question?

geniusboy [140]

Answer:

A-75 and B-25

Step-by-step explanation:

Firstly, divide the 200 students by the amount of sections (8) and that gives you 25 a section. Since year 7 has 3 sections and year 9 has 1, 3(25)=75 and 25(1)=25.

8 0

3 years ago

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In triangle QRS QT=5 and TS=22 what is RT? Explain!!

Anton [14]

Answer:

$\large\boxed{RT=\sqrt{110}\approx10.49}$