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vladimir2022 [97]
3 years ago
9

In 2002, the temperature on the first day of summer was 79°F. This is 4°F less than it was on the first day of summer the previo

us year. What was the temperature on the first day of summer in 2001?
A. In 2001, the temperature was 75°F.
B. In 2001, the temperature was 93°F.
C. In 2001, the temperature was 83°F.
D. In 2001, the temperature was 82°F.
Mathematics
1 answer:
kap26 [50]3 years ago
5 0

Answer:

  C. In 2001, the temperature was 83°F.

Step-by-step explanation:

  79 is 4 less than 83.

The temperature in 2001 was 83 °F.

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Find the intersection points of the linear and quadratic functions shown below f(x)=2x-5 g(x)= x2+2x-21
Mice21 [21]

Answer:

(-4,-13) and (4,3) the intersection points.

Step-by-step explanation:

Intersection point of two functions is a common point which satisfies both the functions.

Given functions are,

f(x)=2x-5

g(x)=x^2+2x-21

For a common point of these functions,

f(x)=g(x)

2x-5=x^2+2x-21

-5=x^2-21

0=x^2-16

x^2=16

x=-4,4

For x=-4,

f(-4)=g(-4)=2(-4)-5

                       =-13

For x=4,

f(4)=g(4)=2(4)-5

                  =3

Therefore, (-4,-13) and (4,3) the intersection points.

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3 years ago
Marvin's Tree Service purchased several spruce tree saplings.
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I am sure it B hope I helped
6 0
3 years ago
Brainiest for whoever helps on both questions first in next ten mins
Nana76 [90]

1. D

2. C

3. D

4. A

5. C

6. D

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3 years ago
Rewrite y=(0.9)^t−4 in the form y=a(1+r)^t or y=a(1−r)^t to determine whether it represents exponential growth or exponential de
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its

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6 0
3 years ago
Part A: Write an algebraic expression for 6 more than 7 times a number. (5 points)
m_a_m_a [10]

The algebraic expression of the part A is 6+7x. And the verbal expression for 3*(n+8) is "the triple of the sum between the numbers n and 8".

<h3>Linear Expression</h3>

A linear expression can be represented by a line. The standard form for this equation is: y=ax+b , for example, y=2x+7.

  • Part A

First, you should choose a variable for unknow number. Here, the variable will be x. Then, 7 times a number can be represented for 7x.

The word <em>more </em>will be represented for the add symbol (+). Thus,

the algebraic expression is 6+7x.

  • Part B

The expression 3*(n+8) can be represented for the sentence:

The triple of the sum between the numbers n and 8.

Learn more about the algebraic expression here:

brainly.com/question/2164351

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