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Gala2k [10]
3 years ago
8

Each small kite costs $4, while each large kite costs $7. If the total money collected selling kites is $150, and 30 kites are s

old, which system of equations can be used to find out how many of each size kite are sold? Let s be the small kites and l be the number of large kites.
Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
<span>Solve the following system of equations by linear combination:
 
3x + 2y = 7 y = x – 4

</span><span>3x+2(x-4)=7 now solve for x 3x+2x-8=7 combine terms 5x-8=7 add 8 5x=15 divide by 5 x=3 plug that into the second equation y=3-4 y=-1 solution (3,-1)</span>
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Which of these could be the dimensions of a unit cube? Select all that apply.
nevsk [136]

Answer:

1 ft. by 1 ft. by 1 ft.

1 mm by 1 mm by 1 mm

Step-by-step explanation:

it's a cube, all sides are the same :)

4 0
3 years ago
In the formula Distance = Rate x Time, is the relationship between rate and time an inverse relationship?
Sati [7]

Answer:

No I don't think I tried to help so good luck.

4 0
4 years ago
Read 2 more answers
Kirk's family drove 36 miles in 50 minutes, which was 48% of the distance to his grandmother's house. What was the total distanc
Makovka662 [10]

Answer:

Option D is correct.

75 miles is the total distance in miles to Kirk's grandmother's house

Step-by-step explanation:

Let x represents the total distance in miles to Kirk's grandmother's house.

As per the statement:

Kirk's family drove 36 miles in 50 minutes, which was 48% of the distance to his grandmother's house

⇒ Distance Kirk's family drove = 36 miles.

then;

36 = 48% of x

36 = \frac{48}{100}x

Multiply both sides by 100 we get;

3600 = 48x

Divide both sides by 48 we have;

75 miles = x

Therefore, the total distance in miles to Kirk's grandmother's house is 75 miles

4 0
3 years ago
Read 2 more answers
What expression is equivalent to 4(u+11)
qaws [65]

Answer:

4u+44

Step-by-step explanation:

The number 4 on the outside of the parentheses is being multiplied by everything within the parentheses, resulting in a product of 4u+44

3 0
3 years ago
Two gift shops sell postcards. Each gift shop charges a fixed amount per postcard. The prices, in cents, for different numbers o
Snowcat [4.5K]

1st gift shop:

120/4 = 30 cents each

180/6 = 30 cents each

390/13 = 30 cents each

 

2nd gift shop:

204/7 = 29.14 cents each

192/8 = 24 cents each

270 /9 = 30 cents each

360/10 = 36 cents each


 so if both gift shops have a fixed price then the 9 post cards would be the answer since it matches 30 each like the 1st gift store


5 0
3 years ago
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