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2 years ago

-1 + -3 is _ units form -1 in the _ direction

Mathematics

1 answer:

Grace [21]2 years ago

7 0

The complete statement is -1 + -3 is 3 units from -1 in the negative direction

<h3>How to complete the statement in the equation?</h3>

The equation is given as:

-1 + -3

When the above equation is the sum of two negative numbers.

This can be rewritten as:

-1 - 3

This means that the result is -3 units from -1

This in other words mean that the result is 3 units from -3 in the negative direction

Hence, the complete statement is -1 + -3 is 3 units from -1 in the negative direction

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Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels

murzikaleks [220]

Answer:

80 miles per hour

Step-by-step explanation:

<em><u>Eastbound</u></em>

r = r - 12

t = 5 hours

d = d_e

<em><u>Westbound</u></em>

r = r

t = 5 hours

d_w = 850 - d

The two distances add up to 850 miles

d_w + d_e = 850 miles

(r * t)_w + ( (r -12)*5 ) = 850 miles

r*5 + (r - 12) * 5 = 850 Pull out 5 as a common factor

5 * ( r + r - 12) = 850 Divide by 5

(r + r - 12) * 5/5 = 850/5 Do the cancellation

2r - 12 = 170 Add 12 to both sides

2r - 12 + 12 = 172 + 12

2r = 184 Divide by 2

r = 92

r = the westbound train = 92 mph

r - 12 = The eastbound train = 80 mph

5 0

4 years ago

What’s the answer? I don’t know how I got it wrong

likoan [24]

Answer:

C. Line PQ

Step-by-step explanation:

Tangent means touching, not crossing.

6 0

2 years ago

111 Thirty dollars is to be divided among three girls and two boys so that each of the girls receives twice as much as each of t

julia-pushkina [17]

Answer:

Each boy receive $3.75 and Each girl receive $7.5

Step-by-step explanation:

Given : Thirty dollars is to be divided among three girls and two boys so that each of the girls receives twice as much as each of the boys.

To Find: How much does each receive?

Solution :

Let each boy gets $x

Since we are given that each of the girls receives twice as much as each of the boys

So, each girl receive amount = 2x

Since there are 3 girls .

So, 3 girls received the amount = 3*(2x)=6x

Now each boy gets x amount

So, 2 boys get amount = 2*x =2x

Since thirty dollars are divided among them .

So, $6x+2x=30$

$8x=30$

$x=\frac{30}{8}$

$x=3.75$

Thus each boy gets $3.75

Each girl receive amount = 2x = 2*3.75= $7.5

Hence Each boy receive $3.75 and Each girl receive $7.5

7 0

4 years ago

CAN SOMEONE PLEASE HELP ME???

Bas_tet [7]

Answer:

negative

Step-by-step explanation:

The graph has a negative slope because the line is pointing downwards.

You can check your answer numerically using the slope formula (y2 - y1 divided by x2 - x1) and substituting with two coordinates on the line.

For example:

(x1, y1)

(x2, y1)

y2 - y1

----------

x2 - x1

Solve by subtracting the numerator and denominator, then divide.

8 0

3 years ago

Erika has 3 pieces of ribbon. Each piece is 25 yards long. She needs to cut pieces that are 22 inches long. What is the greatest

lys-0071 [83]

Answer:

She can cut 122 pieces.

Step-by-step explanation:

She has 3 pieces of ribbon that are 25 yds long. In total, she has 75 yds, which is equal to 2700 in. Erika needs 22 in. pieces, so just divide 2700 by 22 to get your number.

2700/22 ≈ 122.72

6 0

4 years ago