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
antiseptic1488 [7]
3 years ago
9

I think it's 18 im just not sure please help ASAP Thank you!

Mathematics
1 answer:
mash [69]3 years ago
3 0
The altitude of the larger triangle bisects (cuts in half) the right angle, meaning we have two 45° angles.

There is a special kind of right triangle, that is, a right isosceles triangle, or 45°-45°-90° triangle. We form two of these triangles when we split the larger one in half as shown.

When this is the case, as a direct consequence of the Pythagorean Theorem, the sides are in a ratio of 1:1:√2.

The 18 is actually irrelevant to us... All we need to realize is that the side labeled 12 is congruent to the side labeled a + 5, which means that
12=a+5\\a=7.
You might be interested in
Plssss help quick i need it for sum important
Vanyuwa [196]

(a) The product of (2x-4)\ and\ (3x^2-x+4)  is calculated to be =6x^3-14x^2+12x-16

(b)The product of (2x-4) \ and\ (3x^2-x+4)\ is not equal to the product of  (4x-2)\ and\ (3x^2-x+4)

<u>Step-by-step explanation:</u>

<u>(a)</u>

(2x-4)(3x^2-x+4)\\\\=(2x.3x^2)+(2x.-x)+(2x.4)+(-4.3x^2)+(-4.-x)+(-4.4)\\\\=6x^3-2x^2+8x-12x^2+4x-16\\\\=6x^3-14x^2+12x-16

b)

(4x-2)(3x^2-x+4)\\\\=(4x.3x^2)+(4x.-x)+(4x.4)+(-2.3x^2)+(-2.-x)+(-2.4)\\\\=12x^3-4x^2+16x-6x^2+2x-8\\\\=12x^3-10x^2+18x-8

The product of (2x-4) \ and\ (3x^2-x+4)\ is not equal to the product of  (4x-2)\ and\ (3x^2-x+4)

7 0
3 years ago
Between which pair of numbers is the exact product of 379 and 8?
nata0808 [166]
<span>379 times 8 is 3032. This result, 3032 is between 3031 and 3033, so the answer is that the exact product of 379 and 8 is between 3031 and 3033.</span>
3 0
3 years ago
Read 2 more answers
PLZ HELP ASAP I WILL MARK BRANLIEST!!!
klasskru [66]

Answer:

Top left

Step-by-step explanation:

It’s the only one with a data point very far from the rest

8 0
3 years ago
Why is sample size important in experimental design? A. Larger sample sizes increase the likelihood that the sample is a good re
nlexa [21]

Answer: A

Step-by-step explanation: when Constructing a confidence interval, it is important to take note of the margin of error which is given by the formulae below

Margin of error = critical value × σ/√n.

Where n is the sample size.

As we can see that the critical value is a constant and the population standard deviation.

Hence there is an inverse relationship between margin of error and sample size, which implies that a large sample size produces a small margin of error.

If the margin of error is small, it means the sample size will increase the like hood that the sample is a good representation of the population.

3 0
3 years ago
Need ASAP <br> Select the correct answer.<br> Which expression is equivalent to this quotient?
never [62]
Your answer is : D.)

Hope this helps love! <3
4 0
3 years ago
Read 2 more answers
Other questions:
  • Help Please!!!!In a recent golf match, Desmond’s score was 3 less than George’s score. Their combined scores totaled 187. Let d
    9·2 answers
  • Help me number 21... Thank you
    14·2 answers
  • BRAINLIEST!!<br> Find the probability that a point chosen at random lies in the shaded region.
    9·2 answers
  • What is the interquartile range of the data set? {48, 50, 65, 60, 80, 42, 45, 50} Enter the answer in the box.
    11·1 answer
  • Can someome please help me solve this my teacher hasn't done a good with teaching us this.
    10·1 answer
  • Write the slope-intercept form of the equation of each line given the slope and y-intercept.
    6·1 answer
  • PLEASE HELP I WILL MARK BRAINLIST TO WHOEVER ANSWERS FIRST !!
    7·1 answer
  • The speed limit is 65 miles per hour. How long will it take Johnny to travel 715 miles?
    13·1 answer
  • Plz solve the problem.
    9·2 answers
  • Solve for 2. Round to the nearest tenth, if necessary.<br> B<br> U<br> 67<br> T<br> x<br> 142°
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!