2 years ago

34+17-5 =====================

Mathematics

2 answers:

mestny [16]2 years ago

6 0

Answer:

Step-by-step explanation:

you first have to add the negatives then the positive

Harlamova29_29 [7]2 years ago

3 0

Answer:

Step-by-step explanation:

Add the negatives then add the positives

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Mary has 18 marbles. If Tim has 5 times as many marbles as Mary, which number sentence shows how many marbles Tim has?

mariarad [96]

Answer:

Step-by-step explanation:

18 x 5 = 90

3 0

2 years ago

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Given that f(x)=2x-8, determine the average rate of change over the interval [2, 8].

8_murik_8 [283]

Answer:

Step-by-step explanation:

The average rate of change over [2, 8] is the change in the y-values over the change in the x-values.

$\frac{f(8) - f(2)}{8 - 2}$

$f(8) = 2(8) - 8 = 16 - 8 = 8$

$f(2) = 2(2) - 8 = 4 - 8 = -4$

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2 years ago

we need any help on this home I can you turn it in by Monday so can you help me please. i need on 9 and 10

marta [7]

9) yes, he is correct.

50% as a decimal would be 0.50
7% as a decimal would be 0.07

10)Buy and Bye has a greater discount because 30% as a decimal is 0.30 and 1/4 as a decimal is 0.25.

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2 years ago

For a sample variance of n = 36 that has a sample variance of 1,296, what is the estimated error for the sample?

lukranit [14]

Answer:

Step-by-step explanation:

Given :

Sample size, n = 36

Sample variance, s² = 1296

The estimated standard error can be obtained using the relation :

Standard Error, S. E = standard deviation / √n

Standard deviation, s = √1296 = 36

S.E = 36/√36

S.E = 36/6

S.E = 6

Hence, estimated standard error = 6

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2 years ago

Plz help me ... 0.08g + 0.2 < 5 *

Burka [1]

0.08
0.2
+
=
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