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Katena32 [7]
3 years ago
11

Use decimals and the data for 1988 and 1996 to find the slope intercept form of a trend line

Mathematics
1 answer:
Tju [1.3M]3 years ago
4 0
The answer would be <span>y = 312.5x + 1564

hope this helped :)
alisa202</span>
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How do you write 19,830 in scientific notation? _____× 10^_____
pshichka [43]

Answer:

1.983(10⁴)

Step-by-step explanation:

Since we need to have ones and decimals as proper scientific notation, we have 1.983. Since we need the value of 19830, we need to move the decimal place 4 places to the right, so our exponent is 4.

*I double checked my work this time.

8 0
3 years ago
Read 2 more answers
Sam bought a pair of socks for 2.95 and a tie for 7.50 . He gave the cashier a twenty dollar bill. How much change should Sam re
oksian1 [2.3K]
7.5+2.95=10.45
20-10.45=9.55
7 0
3 years ago
Five times the sum of 3 and twice some numbers is 70. What is the number?
Anna11 [10]
Let x represent some number
Sum of 3 and twice some number = 3 +2x
Five times the sum of 3 and twice some number: 5(3+2x)

5(3+2x)=70
15+10x=70
Subtract 15 from both sides to have 10x by itself
10x=55
Divide 10 on both sides to get x by itself
x=55/10
x=5.5

Hope this helped
8 0
3 years ago
What is the sum of ¾ + ⅔ in simplistic form
fiasKO [112]

We must find the common denominator.

The list of multiples of 4: 0, 4, 8, 12, 16, 20, ...

The list of multiples of 3: 0, 3, 6, 9, 12, 15, 18, ...

The common denominator is 12.

\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\dfrac{8}{12}

Therefore:

\dfrac{3}{4}+\dfrac{2}{3}=\dfrac{9}{12}+\dfrac{8}{12}=\dfrac{9+8}{12}=\dfrac{17}{12}=\dfrac{12+5}{12}=1\dfrac{5}{12}

<h3>Answer: 17/12 = 1 5/12</h3>
4 0
3 years ago
it is given that the x intercept and y intercept of a straight line L are 3 and 5 respectively. If L passes through P(k, 10) fin
statuscvo [17]

Answer:

<em>k=-3</em>

Step-by-step explanation:

<u>Equation of a line</u>

The general equation of a line can be written as:

Ax+By=C

The x-intercept is the point where the line crosses the x-axis, i.e. y=0, thus replacing x=3 and y=0:

A(3)+B(0)=C

3A=C

Solving for A:

A=C/3

The y-intercept is the point where the line crosses the y-axis, i.e. x=0, thus replacing x=0 and y=5:

A(0)+B(5)=C

5B=C

Solving for B:

B=C/5

Replacing into the general equation:

\displaystyle \frac{C}{3}x+\frac{C}{5}y=C

Simplifying by C:

\displaystyle \frac{x}{3}+\frac{y}{5}=1

The point P(k,10) belongs to the line, thus:

\displaystyle \frac{k}{3}+\frac{10}{5}=1

Operating:

\displaystyle \frac{k}{3}+2=1

\displaystyle \frac{k}{3}=-1

Multiplying by 3:

\boxed{k=-3}

7 0
3 years ago
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