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4 years ago

Round 0.8888 to 1 significant figure?

Mathematics

1 answer:

Lerok [7]4 years ago

7 0

The answer is one because you round up

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A car travels 30 1/5 miles in 2/3 of an hour.What is the average speed in miles per hour of the car

slega [8]

The speed of car is 45.3 miles per hour.

Further explanation:

Speed is the rate at which an object changes position with respect to time.

Given

$Distance = 30\frac{1}{5}\ miles\\Time=\frac{2}{3}$

The formula for calculating speed is:

$Speed = \frac{distance}{time}\\= \frac{30\frac{1}{5}}{\frac{2}{3}} \\=\frac{\frac{151}{5}}{\frac{2}{3}} \\=\frac{151}{5}*\frac{3}{2}\\=\frac{453}{10}\\=45.3\ miles\ per\ hour$

The speed of car is 45.3 miles per hour.

Keywords: Speed, distance

Learn more about speed at:

#LearnwithBrainly

8 0

3 years ago

At the last football game, 4 out of every 9 students wore school colors. Based on this information, if 450 students attend the n

Nostrana [21]

200 students will wear school colors

6 0

4 years ago

Read 2 more answers

Carmen spent $18 on fruit at the grocery store. She spent a total of $45 at the store. What percentage of the total did she spen

gladu [14]

All we have to do is divide the money she spent on fruit by the total and multiply that by 100.
18÷45
.4×100
40
So, Carmen spent 40% of her money on fruit.

6 0

4 years ago

Amy is 9 years older than her younger sister. if her younger sister is now 1 year old, how many years later will Amy be 4 times

Sholpan [36]

<h3>Answer:-</h3>

Age of Amy's younger sister=1year

☆Amy is 9 years older than her younger sister.

$\\ \sf\longmapsto Age\:of\:Amy=1+9=10years$

Let after x years Amy will be 4times old as her sister.

ATQ

$\\ \sf\longmapsto \dfrac{1+x}{9+x}=\dfrac{1}{4}$

Using cross multiplication

$\\ \sf\longmapsto 4(1+x)=1(9+x)$

$\\ \sf\longmapsto 4+4x=9+x$

$\\ \sf\longmapsto 4x-x=9-4$

$\\ \sf\longmapsto 3x=5$

$\\ \sf\longmapsto x=\dfrac{5}{3}$

$\\ \sf\longmapsto x=1.6$

$\\ \sf\longmapsto x=2(approx)$

5 0

3 years ago

What is it I have e no clue

Scrat [10]

It is D
Descending order means that the first polynomial factor must the largest. You can tell that by looking at its degree, or the exponent. In this, 11 is the largest degree. the smallest degree is a constant, which is 4. That is why it is D.

6 0

4 years ago