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3 years ago

12

Help and pls give me a explanation

2 answers:

Novay_Z [31]3 years ago

7 0

Answer:

90

Step-by-step explanation:

irakobra [83]3 years ago

6 0

The answer is:

90

Hope that helps.

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Answer a, b and c. See image below

dlinn [17]

Answer:

a) 3/5 < 4/5

b) In general if two fractions have the same denominator, then whichever fraction has the numerator closer to its denominator will be the largest fraction.

c) $\frac{7}{10} > \frac{9}{15}$ <em>or</em> $\frac{7}{10}$

Step-by-step explanation:

a) 3/5 < 4/5

Flip the sign and the placement of the fraction so 3/5 is less then 4/5.

b) In general if two fractions have the same denominator, then whichever fraction has the numerator closer to its denominator will be the largest fraction.

c) We need to change the denominators to a common denominator to compare the size of the two fractions:

$\frac{7}{10}$ × $\frac{3}{3}$ = $\frac{21}{30}$

$\frac{9}{15}$ × $\frac{2}{2}$ = $\frac{18}{30}$

The common denominators of the two fractions is 30. Comparing the two fractions:

$\frac{21}{30} >\frac{18}{30}$ <em>or</em> $\frac{18}{30}$

so we get: $\frac{7}{10} > \frac{9}{15}$ <em>or</em> $\frac{7}{10}$

7 0

3 years ago

A bookstore has 7 shelves of books about animals. There are 30 books on each shelf. How many books about animals does the bookst

Alenkinab [10]

The answer is 210 .. .

7 0

3 years ago

Hi ! How to solve this question?

tester [92]

You should actually have

$-x^2-4x-10=-(x^2+4x+10)=-(x^2+4x+4+6)=-((x+2)^2+6)=-(x+2)^2-6$

Now, remember that $x^2$ is always non-negative, so $(x+2)^2\ge0$ for any value of $x$ . This means $-(x+2)^2\le0$ for any $x$ , and so

$-(x+2)^2-6\le0-6=-6$

i.e. f(x) is at most -6, and hence negative for all $x$ .

4 0

3 years ago

Can someone confirm that i did it right i’m so confused

AlekseyPX

You are absolutely correct

4 0

3 years ago

Read 2 more answers

75°, 75°, 75°, 78° 80°, 80°, 115° The daily temperatures for a week in Brownsville are shown. Which measure of central tendency

svet-max [94.6K]

Median i belive hope its right

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3 years ago