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Phantasy [73]
3 years ago
5

Evaluate the following expressions: 2(−1 + 3) − 7

Mathematics
1 answer:
Svetach [21]3 years ago
7 0

Answer:

-3 is the answer.

Step-by-step explanation:

=2(-1+3)-7

=2(2)-7

=4-7

=-3

Hope it will help you :)

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Please help me<br> 2/3÷(−5/6)
agasfer [191]
I hope this helps you



2/3÷(-5/6)


2/3× -6/5


2×-6/3×5


-12/15


-4/5
3 0
3 years ago
Read 2 more answers
Find the measure of each angle and tell which postulates or theorems you used <br> ?
Illusion [34]

Answer:

∠6=78° ∠7=102° ∠14=78°

Step-by-step explanation:

Angles 6 and 7 are supplementary angles so ∠a+∠b=180°

in this case it would be 102°+x=180° and you subtract 102° from 180° getting 78°

∠7 is the vertical angles postulate stating that any angles vertical to each other are eaqual

7 0
3 years ago
87g of sugar is needed to make 10 cakes. How much sugar is needed for 7 cakes?
nataly862011 [7]
87g divided by 10 = 8.7
8.7 times 7 = 60.9
60.9g of sugar is needed to make 7 cakes
Hope this helps! Feel free to thanks me, rate me 5/5 and make me brainliest!!!
7 0
3 years ago
Read 2 more answers
Question 6 of 10
Greeley [361]
I believe the answer is V = 216^3
7 0
3 years ago
Kris wanted to understand whether students at her school were in favor of an extended school day. She surveyed some students and
puteri [66]

the table below:

Grade        In favor   Opposed Undecided    Total

Grade 9     6                   4                       8                18

Grade 10     10         11                        9                30

Grade 11     12        15                      11                  38

Grade 12     15        6                      14                  35

If the principal randomly selects a student in grade 10 from this survey,

the probability that the student is opposed to extending the school day

P ( student in grade 10 is opposed)= Number of student in opposed(grade10) / total number of students in grade 10

Number of student opposed who is in grade10 = 11

total number of students in grade 10 = 30

P( student in grade 10 is opposed)=  \frac{11}{30}

= 0.37

the probability that the student is opposed to extending the school day= 0.37

5 0
2 years ago
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