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2 years ago

HURRY PLEASE BEST ANSWER GETS BRAINLIEST!

Mathematics

2 answers:

Tju [1.3M]2 years ago

6 0

Answer:

C

Step-by-step explanation:

nekit [7.7K]2 years ago

3 0

Answer:

The value of the second expression is 12, so the expressions are not equivalent.

Step-by-step explanation:

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A train travels 80 mph for 2 hours and then it travels 60 mph for 3 hours . What is its average speed over the entire 5-hour tri

boyakko [2]

Answer:

68 mph

Step-by-step explanation:

80 m/hr * 2 hr = 160 miles

60 m/hr * 3 hr = 180 miles

total miles / total time = average speed

340 miles / 5 hr = 68 m p h

3 0

1 year ago

List and descripe the steps you would use to model 7/10_4/10

hram777 [196]

7/10 > 4/10 because 7/10 is bigger than 4/10
7/10 = 0.7
4/10 = 0.4

5 0

2 years ago

Solve 7x − 2(x + 1) = 6x + 14. (5 points) −12 12 −16 16

anygoal [31]

Answer:

X=-16

Step-by-step explanation:

5 0

2 years ago

5. Maribel makes bead necklaces. She uses a

sleet_krkn [62]

Answer:

A. 52 green beads; 39 yellow beads

Step-by-step explanation:

See the attachment. If we take the ratios of 4, 2 , and 3, they add to 9. The

Green (G), Blue (B), and Yellow (Y) will have 4/9, 2/9 and 3/9 each of the total beads, 117.

G: 52 Beads

B: 26 Beads

Y: 39 Beads

6 0

1 year ago

Find the sum of the following infinite geometric series.

Crazy boy [7]

Answer:

Final answer is $\frac{80}{3}$ .

Step-by-step explanation:

We have been given an infinite geometric series.

Now we need to find it's sum.

common ratio $r=-\frac{1}{5}$ .

plug n=1 to get the first term

$a_n=32\left(-\frac{1}{5}\right)^{\left(n-1\right)}$

$a_1=32\left(-\frac{1}{5}\right)^{\left(1-1\right)}$

$a_1=32\left(-\frac{1}{5}\right)^{\left(0\right)}$

$a_1=32\left(1\right)$

$a_1=32$

Now plug these values into infinite sum formula

$S_{\infty}=\frac{a_1}{1-r}=\frac{32}{1-\left(-\frac{1}{5}\right)}=\frac{32}{1.2}=\frac{320}{12}=\frac{80}{3}$

Hence final answer is $\frac{80}{3}$ .

8 0

2 years ago