3 years ago

Hey guys help me please!! Q 9,10

1 answer:

3 0

Here's 9.
60 m - 32 m = 28 m. That's the base.
Area of a triangle is (Base x height) / 2.
28X28=784
784/2 = 392
But you have 2 traingles so you multiply by 2. So 392x2 = 784.

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A trail mix is made up of peanuts that cost p dollars per pound and dried fruit that costs d dollars per pound. A blend of 1/2 p

Cerrena [4.2K]

P is the cost of a pound of peanuts and F is the cost of a pound of dried fruit
0.5p+0.75f=6.5
0.75p+0.25f=4.5

Rearrange
0.5p=-0.75f+6.5

Simplify
P=-1.25f+13

Substitute
0.75(-1.25f+13)+0.25f=4.5

simplify
-0.9375f+9.75+0.25f=4.5
-0.6875f+9.75=4.5
-0.6875f=-5.25
f=7.636364

Round
F=$7.64 per pound

Plug in
0.75p+0.25(7.64)=4.5

Simplify
0.75p+1.91=4.5
0.75p=2.59
p=3.453333

Round
P=$3.45 per pound of peanuts

Final
P=$3.45 per pound of peanuts
F=$7.64 per pound of dried fruit

4 0

3 years ago

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Mars2501 [29]

Answer:

-3/4

Step-by-step explanation:

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Answer:multiply by three

Step-by-step explanation:

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Y = 45 + 0.25 * 60

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Y = 60

ie $60

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BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

I just know this because a right triangle is always gonna have a 90 degree angle whether that number 3 doesnt have one

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