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Fiesta28 [93]
3 years ago
6

Please help??????? ??????? ?????? ?????

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0

Step-by-step explanation:

When two lines are perpendicular to each other, the product of their slopes is equal to - 1

Here, slope of one line is -2/5

let the slope of another line be m

Therefore, m(-2/5)= -1

=> m = 5/2

option B

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The Wright family recently went out to dinner. They ordered two pizzas at $14.95 each, a salad at $4.35, and four drinks at $2.4
Marysya12 [62]

Answer:

B

Step-by-step explanation:

First

Get totals for food items:

Pizza $14.95 ×2=$29.90

Salad=$4.35

Drinks $2.49 ×4=$9.76

Total Bill

$29.90

$ 4.35

<u>+</u><u>$</u><u> </u><u>9.76</u>

$44.21 Food Bill

Second Step

Find Tip Amount Before Tax

Total Bill $44.21 × .15=$6.63 Tip

Third Step

Find Tax on Total Food Bill

$44.21 × .07675=$3.39

Fourth Step

Find amount left from paying bill with tax.

Total Bill including tax:

$44.21 (bill) +$3.39 tax=$47.60

Cash $ 50.00

Total Bill - $<u>47.60</u>

$ 2.40 Change left over

Fifth Step

Find amount needed to give $6.63 tip from above.

We have $2.40 we need $6.63

Subtract $6.33 -$2.40=$4.23 more money needed for tip

5 0
4 years ago
Dean put together first boxes for 5 of his neighbors. Each box cost $1.00 and contained a plant and a $3.00 pair of gardening gl
Scorpion4ik [409]
(5 Neighbors) x (($1.00 Box) + (? Plant) + ($3.00 Gloves)) = 42.50

5 x (1 + x + 3) = 42.50

Combine in parens.

5 x (4 + x) = 42.50

Distribute.

20 + 5x = 42.50

Subtract 20 from both sides.

5x = 22.50

Divide both sides by 5.

x = 4.50

Thats the cost of each plant.

Check.

5 x (1 + 4.50 + 3)

5 x 8.50 = 42.50
3 0
3 years ago
How many solutions does the equation 4x + 8 = − 2 − 2 + 5x have?
grin007 [14]
One.
x=12
I have to type more words or I can't submitttt so yeah..
5 0
3 years ago
Read 2 more answers
Can anyone help me!! You don’t have to answer all just one would be fine!
netineya [11]

Answer:

3. SinD= 12/15; Sin E= 9/15

4. sinD= 35/37; sinE= 12/37

5. sinD= 28/53; sinE= 45/53

6. Because the numerator should be 12 since that is the side opposite to the angle A.

Step-by-step explanation:

5 0
3 years ago
At the biggining of last year,there were 368 students 72 have moved about how many students are still in school?
ololo11 [35]
About 296 students are still in the school. but technically, all 368 students are still attending a school, just not the same one.
7 0
4 years ago
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