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nata0808 [166]
2 years ago
8

The expression 7kl – 3k(4k + 2l) is equivalent to:​

Mathematics
1 answer:
koban [17]2 years ago
6 0

Answer:

- 12k² + kl

Step-by-step explanation:

Given

7kl - 3k(4k + 2l) ← distribute parenthesis by - 3

= 7kl - 12k² - 6kl ← collect like terms

= - 12k² + kl

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65% of 39 is 60 the answer is 60
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This property says you can rewrite 3 x (4 + 5) as (3 x 4) + (3 x 5).
Varvara68 [4.7K]
<span> 3 x (4 + 5) as (3 x 4) + (3 x 5)
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Alex made fruit punch for a party. He mixed 3 gallons of orange juice, 3 quarts of pineapple juice, 5 pints of cranberry juice,
stira [4]

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12+3+2.5+1.5

7 0
3 years ago
In a kite ABCD, AB=AD, BC=CD; CAD=40° and
notka56 [123]

Answer: See below

Step-by-step explanation:

From the figure attached below,

We know that by the SSS property, the two triangles are congruent

$$Since,$$\begin{aligned}&A D=A B(\text {Given}) \\&C D=B C(\text {Given}) \\&A C=A C \text { (Common side})\end{aligned}$$Hence,$$\triangle A B C \cong \triangle A C D$$By the properties of congruence,$$\angle O A D=\angle O A B=40^{\circ}$$$$\angle B=\angle D$$

Using the property of congruence to find the measure of all these angles:

Therefore, the measure of the angles are:

&a) \ B\widehat{ A} C=40^{\circ} \\ b) \ &B\widehat{C}A=180^{\circ}-\left(90^{\circ}+60^{\circ}\right)=30^{\circ} \\c) \ &A \widehat{D} C=60^{\circ}+50^{\circ}=110^{\circ}

4 0
1 year ago
I need all please help
RUDIKE [14]

Answer:

5) D

6) C

7) B

8) D

9) 109°

10) 83°

Step-by-step explanation:

5) In y=mx+b the slope is m. In perpendicular it'll be opposite, so the answer is D.

6) With the above knowledge about slope, the slope will be the same so it'll be C.

7) They are in the same position by different lines and will be corresponding aka B

8) These are adjacent angles because they are next to each other aka D

9) 180 - 71 = 109

10) They are correspodning so 83°

(slightly rushing so I hope this helped, have a nice day!)

6 0
3 years ago
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