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Elza [17]
2 years ago
11

What is the solution to the system of equations? 5x+3y=18 2x−3y=10

Mathematics
1 answer:
Alexxx [7]2 years ago
7 0
Y + x = 7 that’s the answer. Hope this helps
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A flea weighs 8 decigrams, and an ant weighs 3 milligrams. How much more does a flea weigh than an ant?
Pavel [41]
Decigrams are 100 times bigger than milligrams, so convert 8 decigrams to 800 milligrams. Than subract: 800-3= 797

The flea weighs 797 milligrams more than the ant.
5 0
3 years ago
Can anyone please help me why i got 3/4 marks on this question what am i missing?
Lesechka [4]
I’m pretty sure it’s because you got the price wrong
4 0
3 years ago
Read 2 more answers
Please help, i would really appreciate your help
otez555 [7]

Answer:

x = 7

Step-by-step explanation:

Since the lines are parallel, we know that the two angles are equal. So you can write (7x - 4) = (5x + 10). Then you just solve for x.

7x - 4 = 5x + 10

add 4 from both sides to get

7x = 5x + 14

subtract 5x from both sides to get

2x = 14

divide both sides by 2 to get

x = 7

6 0
2 years ago
Harper’s Index claims that 23% of American are in favor of outlawing cigarettes. You decide to test this claim and ask a random
alexandr402 [8]

Answer:

There is enough evidence not to reject the claim.

Step-by-step explanation:

H0: The population proportion of Americans in favor of cigarette outlawing is 0.23.

Ha: The population proportion of Americans in favor of cigarette outlawing is not 0.23.

Critical value approach

z = (p' - p) ÷ sqrt[p(1 - p) ÷ n]

p' is sample proportion = 54/200 = 0.27

p is population proportion = 23% = 0.23

n is number of Americans sampled = 200

z = (0.27 - 0.23) ÷ sqrt[0.23(1 - 0.23) ÷ 300] = 0.04 ÷ sqrt[8.855×10^-4] = 0.04 ÷ 0.0298 = 1.34

The test is a two-tailed test because the alternate hypothesis is expressed using not equal to.

Critical value at 0.05 significance level is 1.96

For a two-tailed test, the region of no rejection of H0 lies between -1.96 and 1.96

Conclusion:

Fail to reject H0 because the test statistic 1.34 falls within the region bounded by -1.96 and 1.96.

There is enough evidence not to reject the claim because the claim is contained in the null hypothesis (H0).

8 0
3 years ago
Read 2 more answers
Teams of four are competing in a quarter mile race each runner must run the same exact distance what is the distance each person
Semenov [28]
440 Yard each
Or
1320 feet each

I think this is what u are asking for but im not sure
8 0
3 years ago
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