3 years ago

Question 18 (4 points)

Mathematics

1 answer:

devlian [24]3 years ago

8 0

The answer would be (-5x-3)(-5x+3)

You might be interested in

John is planning a trip to Disneyland in Los Angeles, CA. He is leaving his house in Sacramento with a full tank of gas. The tab

Ket [755]

Do the reaction photosynthesis

7 0

3 years ago

the perimeter of a triangle is 29cm. the three sides lengths (all measured in cm) of the triangle are 8, 12 and x. Write and sol

Tasya [4]

Step-by-step explanation:

We have 8 + 12 + x = 29.

Solving, we get x + 20 = 29, x = 9.

3 0

2 years ago

Read 2 more answers

5. At Costco a case of 12 boxes of macaroni

Marizza181 [45]

$1.50 for each box

Step-by-step explanation:

$18 divided by 12 boxes = $1.50 for each box

7 0

3 years ago

Which complex number is a distance of sqrt17 from the origin on the complex plane?

lions [1.4K]

Let z=x+iy be a complex number. The distance from this complex number to the origin is

$\sqrt{(x-0)^2+(y-0)^2}=\sqrt{x^2+y^2}.$

Consider all options:

A. z=2+15i, then $\sqrt{2^2+15^2}=\sqrt{229}.$

B. z=17+i, then $\sqrt{17^2+1^2}=\sqrt{290}.$

C. z=20-3i, then $\sqrt{20^2+(-3)^2}=\sqrt{409}.$

D. z=4-i, then $\sqrt{4^2+(-1)^2}=\sqrt{17}.$

Answer: correct choice is D.

4 0

3 years ago

What is |18x + 9| + 1 > 64 put into an interval notation and on a graph?

Gnoma [55]

$\bf |18x+9| + 1 > 64\implies \pm(18x+9)+1>64 \\\\[-0.35em] ~\dotfill\\\\ +(18x+9)+1>64\implies 18x+10>64\implies 18x > 54 \\\\\\ x >\cfrac{54}{18}\implies \boxed{x > 3} \\\\[-0.35em] ~\dotfill\\\\ -(18x+9)+1>64\implies -18x-9+1>64\implies -18x-8>64 \\\\\\ -8>64+18x\implies -72 > 18x\implies \cfrac{-72}{18}=x\implies \boxed{-4>x}$

Check the picture below.

4 0

3 years ago