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Dennis_Churaev [7]
2 years ago
9

Someone please help I will give u 1¢

Mathematics
1 answer:
Darya [45]2 years ago
7 0

Answer:

3rd option

y=1/2 x-3

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Seven less than twice a<br> number is negative five.<br> What is the number?
otez555 [7]

Answer:

n = 1

Step-by-step explanation:

Represent the number by n.  Then "seven less than twice a number is -5 becomes 2n - 7 = -5

Next we must solve for n.  Adding 7 to both sides yields 2n = 2, so that

n = 1

5 0
2 years ago
A total of 150 students have taken an Algebra 2 final exam. The scores are normally distributed with a mean of 71% and standard
WARRIOR [948]

Answer:

102 students

Step-by-step explanation:

Note that 65% and 71% are both 1 standard deviation from the mean (71%).  According to the empirical rule, 68% of scores lie within 1 std. dev. of the mean.

68% of 150 students would be 0.68(150 students) = 102 students

3 0
3 years ago
Mrs. Lewis had $100 to purchase school supplies for her class. She bought 40 glue sticks and 40 boxes of crayons. Each glue stic
Bess [88]
Mr. Lewis | 100$
Glue = 1.50$ (x40)
Box = 0.89$ (x40)

1.50 x 40 = 60$
0.89 x 40 = 35,6$
Total spend (95,6$)

100 - 95,6 = 4,4$

Answer: 4,4$
8 0
2 years ago
Solve the system of equations using the linear combination method.
Anit [1.1K]
       5p - 3q = -39
-     (-2p - 3q = 3)
==> 7p = -42 ==> p = -6

==> p = -6
      -2(-6) - 3q = 3 ==> 12 - 3q = 3 

==>p = -6
     -3q = 3 - 12 ==> -3q = -9

==> p = -6
       q = 3
      

7 0
3 years ago
An irrigation sprinkler waters
Ede4ka [16]

Answer:  Use 22/7 for π. Solution: Use the formula. C = 2πr. Substitute 14 for r. C = 2π(14) Substitute 22/7 for π. C ≈ 2 x (22/7) x 14. Simplify C ≈ 2 x (22/1) x 2. C ≈ 88. So, the circumference of the region watered by the sprinkler is about 88 feet.

Step-by-step explanation: Hope this helps

8 0
2 years ago
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