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Maru [420]
3 years ago
7

Please let me know the answers​

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

(i) ABE = 36 cm^2

   BCDE = 96 cm^2

Step-by-step explanation:

answer for part ( i )

ABE ⇒

base × height × \frac{1}{2} = area of triangle

→ 6 × 12 × \frac{1}{2} =36

BCDE ⇒

length × width = area of rectangle

→ 8 × 12 = 96

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Candy selling at $6.00 per pound will be mixed with candy selling at $9.00 per pound. How many pounds of the more expensive cand
Bezzdna [24]
Well you need the mixture to start off by equalling $7, no matter what weight it is. The mean of two $6 candies and one $9 candy is $7 (6+6+9 = 21, 21/3 = 7)
So the ratio of 2:1 6$:9$ makes $7

Add 2 and 1 to get 3, 15/3 = 5, and because you're working out how much you need for the $9 candy, 5*1 (Because of the 2:1 ratio) is 5
She needs 5 pounds worth of the 9$ candy
8 0
3 years ago
Let f(x)=16x^2-x. Find f(x+1)-f(x)
olasank [31]

f(x+1) = 16(x+1)² - (x+1) = 16(x²+2x+1) - x - 1

= 16x² + 32x + 16 - x - 1 = 16x²+31x+15

so

f(x+1)-f(x) = 16x²+31x+15 - (16x² - x)

= 16x²+31x+15 - 16x² + x

= 32x + 15

8 0
3 years ago
24 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
pickupchik [31]
5:3
5units:3units
5+3=8
8 units


4qt=8units
divide by 8 both sides
1/2qt=1unit

red=5unit
red=5*1/2
red=5/2qt
d
lime green=3unit
lime green=3*1/2
lime green=3/2qt
not sure what the ratio of the blue paint to the yellow paint is

I do know that
when b=amount of blue paint in quarts
yo need 5/2qt red, b qt blue, and y qt yellow, where b+y=3/2qt

and the ratio is
5:b:y, where b+y=3

can't solve fully without ration of the the blue to yellow
4 0
4 years ago
A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
Ronch [10]

Answer:x - number of minutes;

f ( x ) - the distance from the finish line.

  x :        0     2      4      6

f ( x ) :    3      2      1     0

f ( x ) = 3 - x/2

Answer: B ) f ( x ) = -1/2 x + 3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Put these in order starting from the smallest 3/4. 0.72 4/5 0.799 9/10
Yakvenalex [24]

Answer:

0.72, 3/4, 0.799, 4/5, 9/10

Step-by-step explanation:

Let's start by converting all of these into decimal form to make this easier.

3/4=0.75, 4/5=0.8, and 9/10=0.9.

Now, it's clear that the correct order is:

0.72, 0.75, 0.799, 0.8, 0.9

Converting the fractions back, you get:

0.72, 3/4, 0.799, 4/5, 9/10

Hope this helps!

4 0
3 years ago
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