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2 years ago

Pls help

Mathematics

1 answer:

NeTakaya2 years ago

4 0

Answer:

1. 6

2. 24

3. 2/9 × 90 = 20 sixth grade students

4. 2/9 × 27 = 6 sixth grade students

5. 2/9 + 27, 2/9 - 27, 2/9 / 27, 2/9 27

6. 189 students

7. B

8. Jada needs 10 cups of sparkling water if she uses 15 cups of apple juice.

9. Jada needs 9 cups of apple juice if she uses 6 cups of sparkling water.

10. D

11. D

12. C

Step-by-step explanation:

Hope this helps you

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Find a1, for the given geometric series. Round to the nearest hundredth if necessary. Sn= 86,830, r= 2.2, n=4

larisa86 [58]

Answer:

4,646.30

Step-by-step explanation:

The sum of n terms of geometric sequence can be calculated using formula

$S_n=\dfrac{a_1(1-r^n)}{1-r}$

In your case,

$S_n=86,830\\ \\r=2.2\\ \\n=4\\ \\a_1=?$

Substitute into the formula:

$S_4=\dfrac{a_1(1-2.2^4)}{1-2.2}\\ \\86,830=\dfrac{a_1(1-23.4256)}{-1.2}\\ \\-104,196=a_1(-22.4256)\\ \\22.4256a_1=104,196\\ \\a_1=\dfrac{104,196}{22.4256}\approx 4,646.30$

5 0

4 years ago

I need to answer and explain

nignag [31]

Answer:

parallel

Step-by-step explanation:

Solve both equations for y to make it easier to compare them.

2x - 5y = 0 ↔ 5y = 2x, or y = (5/2)x.

y = (5/2)x - 3

Since the slopes are the same, the two lines are parallel.

8 0

3 years ago

Whats 337,060 in expanded form

V125BC [204]

300,000 + 30,000 + 7,000 + 6 = 337,060 =)

3 0

4 years ago

Read 2 more answers

"this is a line ray or segment that intersects a circle at two points"

lorasvet [3.4K]

Answer:

hm im not so sure

Step-by-step explanation:

7 0

3 years ago

How to solve for y and simplify

Dmitry_Shevchenko [17]

Answer:

y = $\frac{2}{5}$

Step-by-step explanation:

Given

- 3y = - $\frac{6}{5}$

Multiply both sides by 5 to eliminate the fraction

- 15y = - 6 ( divide both sides by - 15 )

y = $\frac{-6}{-15}$ = $\frac{6}{15}$ = $\frac{2}{5}$

6 0

4 years ago