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2 years ago

What is the slope in slope-intercept form for these graphs?

Mathematics

1 answer:

Irina-Kira [14]2 years ago

5 0

Answer:

Step-by-step explanation:

for this graph find rise over run , and where the line crosses they y axis.. sooo ..

it crosses at -2 and the slope is rise over run or y/x and I can see by the graph that the line goes up 1 when it goes over 1... so the slope is +1

sooo...

use the slope intercept form y = mx + b

y = 1x + (-2)

y = x - 2 :)

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The area of a square photo frame is 100 cm^2 find the length of the photo frame

DanielleElmas [232]

Answer:

length is 10cm

Step-by-step explanation:

all sides are the same length because it's a square 10x10=100

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2 years ago

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Divide each of the following numbers by 10. a. 9.48 b. .6 c. 84.5 d. .0024 e. .3678 f. 25

DedPeter [7]

Answer:

1.) 0.948

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3 years ago

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The cost of buying a small piece of land in a remote village since the year 1990 is represented by the following table . Which m

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Answer:

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Step-by-step explanation:

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2 years ago

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Can somebody prove this mathmatical induction?

Flauer [41]

Answer:

See explanation

Step-by-step explanation:

1 step:

n=1, then

$\sum \limits_{j=1}^1 2^j=2^1=2\\ \\2(2^1-1)=2(2-1)=2\cdot 1=2$

So, for j=1 this statement is true

2 step:

Assume that for n=k the following statement is true

$\sum \limits_{j=1}^k2^j=2(2^k-1)$

3 step:

Check for n=k+1 whether the statement

$\sum \limits_{j=1}^{k+1}2^j=2(2^{k+1}-1)$

is true.

Start with the left side:

$\sum \limits _{j=1}^{k+1}2^j=\sum \limits _{j=1}^k2^j+2^{k+1}\ \ (\ast)$

According to the 2nd step,

$\sum \limits_{j=1}^k2^j=2(2^k-1)$

Substitute it into the $\ast$

$\sum \limits _{j=1}^{k+1}2^j=\sum \limits _{j=1}^k2^j+2^{k+1}=2(2^k-1)+2^{k+1}=2^{k+1}-2+2^{k+1}=2\cdot 2^{k+1}-2=2^{k+2}-2=2(2^{k+1}-1)$

So, you have proved the initial statement

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2 years ago

Solution for 18-3.8t=7.36-1.98

ohaa [14]

$\text{Hello there!}\\\\\text{Solve for t:}\\\\18-3.8t=7.36-1.98\\\\18-3.8t=5.38\\\\\text{Subtract 18 from both sides}\\\\-3.8t=-12.62\\\\\text{Divide both sides by -3.8}\\\\t=3.321053\\\\\text{Round to the nearest hundredths}\\\\\boxed{t=3.32}$

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2 years ago