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3 years ago

Which expression is modeled on the number line

Mathematics

1 answer:

Mice21 [21]3 years ago

7 0

Answer:

Step-by-step explanation:

if you were to chose c you would find that to negatives make a positive and the first negative has to be there so d would be the best possible answer

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Judy is playing a card game. She needs to select two cards below that have a sum greater

Zielflug [23.3K]

Answer:

$2\frac{2}{5} + 2\frac{5}{8} \simeq 5$

$2\frac{2}{7} + 2\frac{5}{8} \simeq 5$

Step-by-step explanation:

Mixed fraction $a\frac{b}{c}$ can be converted into like or unlike fractions.

Here, $a\frac{b}{c} = \frac{ac +b}{b}$

So, convert all the given fractions as follows:

$2\frac{2}{5} = \frac{2(5) +2}{5} = \frac{12}{5} =2.4$

$2\frac{2}{7} = \frac{2(7) +2}{7} = \frac{16}{7} =2.4$

$1\frac{7}{8} = \frac{1(8) +7}{8} = \frac{15}{8} =1.8$

$2\frac{1}{10} = \frac{2(10) + 1}{10} = \frac{21}{10} =2.1$

$2\frac{5}{8} = \frac{2(8) +5}{8} = \frac{21}{8} =2.6$

Here, No Two fractions on addition gives a sum greater than 5.

But an approximate sum of 5 is given by adding 2.4 + 2.6 = 5

⇒ $2\frac{2}{5} + 2\frac{5}{8} \simeq 5$

or ⇒ $2\frac{2}{7} + 2\frac{5}{8} \simeq 5$

7 0

3 years ago

What is the answer to this problem 75=3(-6n-5)

devlian [24]

Answer:

n=-5

Step-by-step explanation:

first you have to distribute the 3 to the -6 and the 5. In return u will get -18n and 15. then you have to cancel like terms. then you have to add 18 to the 75 which gives you 93. then you divide -18 by 93 which gives you -5.166 repeating... so all you have to do is round. your final answer will be -5.

5 0

3 years ago

Can anyone help me please

zaharov [31]

Answer:

1. is 45/2

2. is 12/5

3. is 4/5

4. is 14

5. is 28

6. is 6 hope this helps :)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Doctors are interested in seeing if lifting weights to alleviate back pain is effective. Twenty five volunteers are asked to ran

goldenfox [79]

Answer:

Comparing means from dependent samples.

Step-by-step explanation:

In the scenario described above, the 25 sampled individuals were used to test the effect of weightlifting on alleviating back pain. The samples used were not changed nor altered during the study as the same subjects who were tested to measure their level of pain before lifting weight were the same group subjected to the actual weight lifting test and again had their level of pain tested. Since only one group was involved in the study ( a single group was tested on neutral and actual treatment). Hence, the study used dependent samples to compare the average level of pain.

4 0

3 years ago

What’s a quadrant in a graph

Serjik [45]

It’s the position on the graph. So quadrant 1 is (x,y)
Quadrant 2 is (-x,y)
Quadrant 3 is (-x,-y)
Quadrant 4 is (x,-y)

8 0

3 years ago