3 years ago

Which number sentence states that x is at most 50?

Mathematics

1 answer:

zimovet [89]3 years ago

4 0

C. X =50 because that is the only one that has x= 50

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Which number line represents the solution set for the inequality 3(8-4x)<6(x-5)

quester [9]

Answer:

x>3

Step-by-step explanation:

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2 years ago

8x + 6y = 10 5x - 3y = 2.2 Which statement about the system of equations is true?

MaRussiya [10]

The answer would be C. When you isolate X you get 4/5 turn that into a decimal you have 0.8. Then you isolate Y you get 3/5 Turn that into a decimal and you get 0.6. Therefore the solution has 1 answer.

Hope this helps

6 0

3 years ago

Arrange the summation expressions in increasing order of their values.

nalin [4]

We'll solve for each one of them:

$\sum_{i=1}^{4}4(5)^{i-1} = (4(5)^{1-1}) + (4(5)^{2-1}) + (4(5)^{3-1}) + (4(5)^{4-1})$
$=4+20+100+500 = 624$

$\sum_{i=1}^{5}3(4)^{i-1} = (3(4)^{1-1}) + (3(4)^{2-1}) + (3(4)^{3-1}) + (3(4)^{4-1}) + (3(4)^{5-1})$
$=3+12+48+192+768=1023$

$\sum_{i=1}^{2}5(6)^{i-1} = (5(6)^{1-1}) + (5(6)^{2-1})$
$=5+30=35$

$\sum_{i=1}^{4}5^{i-1} = (5^{1-1})+(5^{2-1})+(5^{3-1})+(5^{4-1})$
$=1 + 5+ 25+125 = 156$

So, our totals are: 624, 1023, 35, and 156. So clearly, 1023 > 624 > 156 > 35. W can write it as (your answer):

$\sum_{i=1}^{2}5(6)^{i-1}$

Hope this helps! If anything is confusing, you can always DM me.

3 0

3 years ago

Read 2 more answers

Your goal is to save at least $360.00 over the next 6 weeks. How much money must you save each week in order to meet that goal?

vichka [17]

60 dollars each week. 360.00/6=60

4 0

4 years ago

HELP ME PLZ ILL MARK YOU BRAINLIEST!!! Find the answers to the following multiplication problems without using a calculator, Red

LiRa [457]

Answer:

Ok I gotchu!

5/16 I think-

Step-by-step explanation:

5 0

3 years ago