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Elenna [48]
3 years ago
10

Multiply and simplify. Show work (3x − 2)(5x2 – 7x + 2)

Mathematics
1 answer:
sergejj [24]3 years ago
3 0

Answer:

-21x^2+50x-24

Step-by-step explanation:

3x((5)(2)-7x+2)-2((5)(2)-7x+2)

30x-21x^2+6x-20+14x-4

50x-21x^2-24

-21x^2+50x-24

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What is the least common multiple of 4 and 8
Ray Of Light [21]

Answer: 8

Step-by-step explanation: To find the least common multiple or (lcm) of 4 and 8, let's begin by listing the first few multiples of each number.

<em><u>Multiples of 4</u></em>

1 × 4 ≈ 4

2 × 4 ≈ 8

3 × 4 ≈ 12

4 × 4 ≈ 16

Notice that we skipped 0 × 6 in our list of multiples and this is because 0 × 4 is equal to 0 and our least common multiple can't be 0.

Now, let's list the multiples of 8. When listing the multiples of 8, it's a good idea to keep an eye on the list of multiples for 4 so that we will notice when we find a least common multiple.

<u><em>Multiples for 8</em></u>

1 × 8 = 8 ← is a multiple of 4

Notice that we can stop here because all other multiples that we find will be greater than 8. Therefore, the least common multiple or (lcm) of 4 and 8 is 8.

7 0
3 years ago
james wants to put 7 tulips in each of 14 vases. He has 47 yellow tulips and 53 pink tulips. How may will he have left over?
Soloha48 [4]

Answer:

47+53=100

7×14=98

2 flowers left

8 0
3 years ago
Read 2 more answers
Mackenzie is training for a marathon and varies her workouts from day to day. Mackenzie ran 5 MPH during Monday's workout and 10
NNADVOKAT [17]

Answer:

i think 10mph

Step-by-step explanation:

if she ran 100% faster that means she ran double or 200% of the initial speed

4 0
3 years ago
Plz help will mark brainliest
Snowcat [4.5K]

Answer:

20

Step-by-step explanation:

First step is finding an angle in the rightmost triangle (angle K)

Using TOA we have

Tan(x)=4/8

x=26.565

which means that 90-26.565= 63.4349 will give us angle K in regards to the left triangle

Using this we can solve for JM

Tan(63.4349)=x/8

8tan(63.4349=x

x=16

So if JM = 16

and LM=4

take their sum to find JL

16+4=20

4 0
3 years ago
Joan’s stamp collection consists of three books. Two tenths of her stamps are on the first book, several sevenths are in the sec
mojhsa [17]

Answer:

3030

Step-by-step explanation:

2/10 are on the first book. 7/10 are on the second book. This means 1/10 is on the third book. 1/10 of the stamps is 303 stamps. Therefore, the total number of stamps are 3030.

4 0
2 years ago
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