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3 years ago

The product shown is a difference of squares. What is the missing constant term in the second factor?

2 answers:

34kurt3 years ago

7 0

Difference of two squares is of the form (a + b)(a - b) or vice-versa. Here, a = -5x and b = 3.
(-5x - 3)(-5x + 3)
Answer: 3

Verdich [7]3 years ago

7 0

Answer: (–5x – 3)(–5x +<u>3</u>)

Step-by-step explanation:

3 is the answer.

this answer is 100% correct for edge.nuity

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Kristen can run at 15 km/h and walk at 5 km/h. She complete for a 42 km marathon in 4 hours. What distance did Kristen run durin

maksim [4K]

Let x be the time she ran and y be the time she walked

then distance ran = 25x and distance walked = 5y

so 15x + 5y = 42

and x + y = 4

* second equn. by -5:-

-5x - 5y = -20

add this to the first equn:0

10x = 22
x = 2.2

distance she ran = 2.2 * 15 = 33 km

6 0

3 years ago

Two sides of a triangle have lengths of 7 and 15 what is the length of the third side

Aleks04 [339]

16.55-16.56 depending on how you round

7 0

4 years ago

Write the expression as a complex number in standard form.<br> 11i(5 + 8i)

zhuklara [117]

So We Have:

11i(5 + 8i)

We Need To Distribute.
We Get:
55 + 88i²

6 0

4 years ago

Read 2 more answers

What is the 8th term of the geometric sequence 4, −20, 100, …? −312,500 −12,500 62,500 1,562,500?

enot [183]

The first term of GP, a=4

Common ratio= $\frac{a2}{a1}$ = $\frac{-20}{4}$ =-5

r=-5

nth term of GP, an=a $r^{n-1}$

a8=4* $(-5)^{8-1}$

a8=4* $(-5)^{7}$

a8=4*-78125

a8=-312500

4 0

3 years ago

Read 2 more answers

Does 2 1/3-1 3/4 need require renaming

ANEK [815]

Answer:

$\frac{7}{12}$

Step-by-step explanation:

$2 \frac{1}{3} - 1 \frac{3}{4}$

The fractions above are known as mixed numbers (that is, fractions that contain the combination of a whole number and proper fraction). The mixed numbers can equally be renamed as improper fractions. However, renaming can only occur the the mixed numbers are being transformed as below:

$\frac{7}{3} - \frac{7}{4}$

The transformation occur through a simple approach thus: for the first mixed number; 2 1/3 = 2 multiplied by 3 plus 1 divide by 3 equals 7/3. Similarly, mixed number 1 3/4 is transformed by this: 1 multiplied by 4 plus 3 divide by 4 equals 7/4.

Simplifying further to arrive at final result implies,

$\frac{7}{3} - \frac{7}{4}$

Take the LCM of the denominators (4 × 3 =12) and simplify thus:

$= \frac{28 - 21}{12}$

$= \frac{7}{12}$

6 0

3 years ago