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galben [10]
3 years ago
15

Factor: x^2 - 4x - 21

Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0

Answer:

(x-7)(x+3) thats the answer for your question

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One number is 6 less than 5 times the other number. Their sum is 60. Find the numbers.
OLEGan [10]

Answer:

The numbers are 11 and 49.

Step-by-step explanation:

<em>x = 5y - 6 </em> This is just the first sentence written as an equation.

<em>x + y = 60</em> This is just the second sentence written as an equation.

<em>5y - 6 + y = 60</em> Substitute x for what you know it is equal to

<em>6y - 6 = 60</em> Collect like terms

<em>6y = 66</em> Add 6 to each side

<em>y = 11</em> Divide each side by 6

<em>x = 5 × 11 - 6 </em> Substitute y for what you know it is

<em>x = 55 - 6</em> Simplify by working out 5 × 11 = 55

<em>x = 49</em> Subtract 6 from 55 to get 49

8 0
3 years ago
Which SI unit is appropriate for measuring the height of a person? A. feet B. meters C. grams D. kilometers
Lerok [7]
The appropriate SI unit for measuring the height of a person is meters.
3 0
3 years ago
Please solve this it’s due in 2 hours I’ll give brainliest ONLY ANSWER IF YOU KNOW
Vsevolod [243]

Answer:

All are positive, and point upwards. The angle that they increase along the horizontal axis is different.

Step-by-step explanation:

There are no negative signs that the x is multiplied in any of the equations, and the number they are multiplied by is different for each graph: one is 1, another is 2, and the last is 3.

6 0
3 years ago
What is the answer to question 3. Letter A?
lutik1710 [3]
Your answer should be Line Graph.
6 0
3 years ago
Read 2 more answers
APY means ________________.​
beks73 [17]

Answer:

annual percentage yield

Step-by-step explanation:

APY means annual percentage yield

6 0
3 years ago
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