1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
11111nata11111 [884]
3 years ago
5

Find the product. (7 q - 5)(7 q + 5) 49q^2 - 10q - 25 49q^2 + 10q - 25 49q^2 - 25

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Use\ (a-b)(a+b)=a^2-b^2.\\\\(7q-5)(7q+5)=(7q)^2-5^2=\boxed{49q^2-25}

You might be interested in
Heike runs 800 meters every day. After 9 days, how many kilometers have Heike run?<br> please help.
Nina [5.8K]

Answer:

7.2 Kilometers

Step-by-step explanation:

800 meters = 0.8 kilometers

<u>Therefore, do 0.8 x 9</u>

0.8 x 9 = 7.2 kilometers

8 0
3 years ago
Leslie went out for a jog. When she returned she went to the tap and filled up her 500 mL reusable water bottle. She drank 250 m
Anastasy [175]

Answer:

Please find attached the required graph and

Step-by-step explanation:

The values for the information given can be written down as follows;

Time, seconds             Volume mL

0,                                    500

12,                                   450

24,                                  400

36,                                  350

48,                                  300

60,                                  250

72 250

84 250

96 250

108 250

120 250

132 250

144 250

156 250

168 250

180 250

192 250

204 250

216 250

228 250

240 250

252 250

264 250

276 250

288 250

300 250

312 225

324,                                        200

336,                                         175

348,                                         150

360,                                         125

372,                                         100

384,                                         75

396,                                        50

408,                                        25

420,                                        0

5 0
3 years ago
The original price of a toaster is $18.00. If the toaster is marked down 25%, what is the new price?
Alla [95]

Answer:

$13.50

Step-by-step explanation:

First, we got to multiply $18 by 25% or .25

$18 x .25 = $4.50

Lastly, we just subtract $4.50 from $18.

$18 - $4.50 = $13.50

5 0
3 years ago
Help please. I did my best to find the answer but...
lorasvet [3.4K]

Answer:

24

Step-by-step explanation:

This a special right triangle with angle measures of 30° 60° 90°

The side length that sees angle measure 30° is represented with a, the one that sees 90° is represented by 2a and the one that sees 60° is represented by a√2

AC sees angle B which has an angle measure of 60

(6√2)×(√2) = 24

4 0
3 years ago
Which expression is equivalent to
Gennadij [26K]

Answer:

B

Step-by-step explanation:

Trust me on this one..

3 0
3 years ago
Other questions:
  • What is greater 1 4/6 or 1 14/21
    15·2 answers
  • How to find the midpoint using coordinates A(-1,5), B(2,-3)
    12·2 answers
  • The area of the scale model of a playground is 6 square yards. The scale model is enlarged by a scale factor of 3 to create the
    13·2 answers
  • Please help me solve this step by step ASAP please
    6·1 answer
  • The school, park and movie theater form a right triangle when shown on a map. The longest distance is between the school and the
    7·1 answer
  • Determine whether triangle TJD is congruent to triangle SEK given T (-4,-2), J (0,5), D (1,-1), S (-1,3), E (3,10), K (4,4) and
    10·1 answer
  • Is the difference between two rational numbers always rational number
    13·2 answers
  • What is 9 plus 10? Meme 123
    15·2 answers
  • Danny has an unknown number of used cars at his
    10·2 answers
  • Find the slope of the line
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!