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wariber [46]
3 years ago
7

Hello! i need 2 people to answer this question whoever is correct gets brainiest, if both are correct then ill go by whoever ans

wered first. this is just for fun its not a competition.
Subtract −b+3 ​​from −11b−4 ​.
Mathematics
2 answers:
mojhsa [17]3 years ago
6 0

Answer:

-10b - 7

Step-by-step explanation:

    -11b - 4

  - (-b + 3)

-----------------

    -10b - 7

GrogVix [38]3 years ago
6 0

Answer:

-10b-7

Step-by-step explanation:

subtraction of linear equations

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A snowmobile traveled 32 miles in 2 1/3 hours.
sergey [27]

Answer:

  • 13.7 mph

Step-by-step explanation:

  • d = st

<u>Given</u>:

  • d = 32 miles
  • t = 2 1/3 hr = 7/3 hr

<u>Find the rate s:</u>

  • s = d/t
  • s = 32÷7/3 = 32 × 3/7 = 96/7 ≈ 13.7 mph (rounded)
4 0
2 years ago
What is 3/4 of a number minus -16 equals 28. what is the number
dalvyx [7]
3/4x - 16 = 28
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*3/4    *3/4
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7 0
3 years ago
Questions (no partial grades if you don't show your work) 1. In a group of 6 boys and 4 girls, four children are to be selected.
mariarad [96]

Answer:

Total number of ways will be 209

Step-by-step explanation:

There are 6 boys and 4 girls in a group and 4 children are to be selected.

We have to find the number of ways that 4 children can be selected if at least one boy must be in the group of 4.

So the groups can be arranged as

(1 Boy + 3 girls), (2 Boy + 2 girls), (3 Boys + 1 girl), (4 boys)

Now we will find the combinations in which these arrangements can be done.

1 Boy and 3 girls = ^{6}C_{1}\times^{4}C_{3}=6\times4=24

2 Boy and 2 girls=^{6}C_{2}\times^{4}C_{2}=\frac{6!}{4!\times2!}\times\frac{4!}{2!\times2!}=15\times6=90

3 Boys and 1 girl = ^{6}C_{3}\times^{4}C_{1}=\frac{6!}{4!\times2!}\times\frac{4!}{3!}=\frac{6\times5\times4}{3 \times2} \times4=80

4 Boys = ^{6}C_{4}=\frac{6!}{4!\times2!} =\frac{6\times 5}{2\times1}=15

Now total number of ways = 24 + 90 + 80 + 15 = 209

7 0
3 years ago
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Vadim26 [7]
Dependent variable is the variable that changes due to the independent variable, independent variable is the variable that scientists change on purpose.

5 0
3 years ago
What variable do you eliminate?<br> 4x + 8y = 20<br> - 4x + 2y = -30
sveticcg [70]
Y :!2!298-76-6-7-8-&-8-7-6
4 0
2 years ago
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