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3 years ago

5

Find the slope of the line graphed below.

1 answer:

jekas [21]3 years ago

5 0

19. -3/4
20. 2/1= 2

Explanation: I used rise/run. Leftward facing is positive and rightward is negative. When the line perfectly intersects with a point you go up or down based on if positive or negative to the line of the next point that perfectly intersects. Then you go over to the same point, that’s run. So you’ll get rise/run.

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Given two measurements, x and y, which both have uncertainty. Use the general error propagation formula, δf = vuut ∂f ∂xδx!2 + ∂

ycow [4]

Answer:

Step-by-step explanation:

Attached is the solution

3 0

3 years ago

Plz help I'll mark brainliest.

irga5000 [103]

Answer:

right triangles

always

Step-by-step explanation:

Similar triangles are obtained by rise/run

Since the ratio for all triangles are the same, they have the same slope.

4 0

3 years ago

Read 2 more answers

In a high school, 2/5 of the girls make up 150 students.

poizon [28]

Answer:

375 girls

Step-by-step explanation:

Let the number of girls in the school be y.

Then, we can write the equation:

$\frac{2}{5} y = 150$

We can now solve for y by multiplying both sides by

$\frac{5}{2}$

$\frac{5}{2} \times \frac{2}{5} y = 150 \times \frac{5}{2}$

$\implies \: y = 75 \times 5$

$y = 375$

Therefore there are 375 girls in the school.

5 0

4 years ago

If p is true andº q is false, then p-> "qis<br> false.<br> always<br> never<br> sometimes

Nataliya [291]

Answer:

Always.

Step-by-step explanation:

If p is true and q is false, the p -> q is never true.

The logic gates are used here.

Here, the symbol -> is for implication. Implication p-> q means that if p is true then q must be true.

So let us look at all the questions one by one.

If p is true and q is false, the p -> q is always, sometimes, never true.

p -> q

true -> false

The true should imply true so the given statement will never be true.

6 0

3 years ago

Which sign should be used in the circle below so that the value of the expression is 2? [4+8×3]÷(16○2)

sashaice [31]

Answer:

a subtraction sign belongs in the circle

Step-by-step explanation:

[4+8×3]÷(16-2) is:

[(4+24) ÷ 14] = 28/14 = 2

5 0

3 years ago