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3 years ago

8

Help! Ratios and Porportions

1 answer:

SOVA2 [1]3 years ago

7 0

We learned that ratios are value comparisons, and proportions are equal ratios. Ratios can be written with colons or as fractions. So, to compare the number of girls to boys in a litter of puppies, we can write 2:4 or 2/4 to say that there are two girls to four boys.

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Need help ASAP!!!!!!

pogonyaev

Answer:

Simplifying the expressions:

14. $\frac{2 \pm \sqrt{36}}{4}$

i.e. $\frac{2 \pm 6}{4}$ = $\frac{8}{4}$ and $\frac{-4}{4}$ = 2 and -1.

15. $\frac{-12 \pm \sqrt{0}}{4}$

i.e. $\frac{-12 \pm 0}{4}$ = $\frac{-12}{4}$ = -3

16. $\frac{-3 \pm \sqrt{25}}{8}$

i.e. $\frac{-3 \pm 5}{8}$ = $\frac{-8}{8}$ and $\frac{2}{8}$ = -1 and $\frac{1}{4}$

17. $\frac{4 \pm \sqrt{200}}{12}$

i.e. $\frac{4 \pm 10\sqrt{2}}{12}$ = $\frac{2 \pm 5\sqrt{2}}{6}$

18. $\frac{-12 \pm \sqrt{204}}{2}$

i.e. $\frac{-12 \pm 2\sqrt{51}}{2}$ = $-6 \pm \sqrt{51}$

19. $\frac{6 \pm \sqrt{-264}}{6}$

i.e. $\frac{6 \pm 2i\sqrt{66}}{6}$ = $1 \pm \frac{i\sqrt{66}}{3}$

20. $\frac{-3 \pm \sqrt{25}}{2}$

i.e. $\frac{-3 \pm 5}{2}$ = $\frac{-8}{2}$ and $\frac{2}{2}$ = -4 and 1.

7 0

3 years ago

If ΔABC ≅ ΔDEF, what is the length of AB?

Katena32 [7]

Answer:

AB=24ft

Step-by-step explanation:

3x+6=4x

6=4x-3x

6=x

AB=3x+6

AB=3(6)+6

AB=18 + 6

AB=24

5 0

3 years ago

Phoenix [80]

I would answer about 1/3 cups

4 0

3 years ago

4. Solve x2 - 6 = 10 by the following:<br> What tha answer

liraira [26]

Answer:

Step-by-step explanation:

x² - 6 = 10

x² = 10+6

x² = 16 = 4 * 4

x = 4

8 0

4 years ago

Read 2 more answers

Convert 15 g/dL to mg/uL

Scrat [10]

Answer:

15000 mg/uL

Step-by-step explanation:

If 1 g/dL = 1000 mg/uL, 15 g/dL = 15,000 mg/uL

7 0

3 years ago