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
Law Incorporation [45]
3 years ago
5

Is the factored form of 4k^2-28k+49

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
5 0
It should be (2k - 7)^2
You might be interested in
PLEASE HELP ME!! GEOMETRY!<br> All I need is the value of x, and how you found it. Thanks :))
Novosadov [1.4K]

Answer:

-15

Step-by-step explanation:

3x+5=BD

4x+20=AE

3x+5 = 4x+20

subtract 3x from 4x = 1x = x

subtract 20 from 5 = -15

-15=x

6 0
3 years ago
I need help pretty please!
Naddika [18.5K]

Answer:

cos(z) = .3846153846 and angle z = 67.38°

Step-by-step explanation:

Side UV is corresponding to side YX.  Side VW is corresponding to side YZ.  Side UW is corresponding to side XZ.

Starting with the first corresponding pair, we are told that side UV is 36, and that side YX is 3/5 of that.  So side YX is

\frac{3}{5}*36=21.6

We are next told that side VW is 39, so side YZ is

\frac{3}{5}*39=23.4

In order to find the cos of angle z, we need the adjacent side, which is side XZ.  Side XZ is 3/5 of side UW.  Right now we don't know the length of side UW, so we find it using Pythagorean's Theorem:

39^2-36^2=UW^2 and

UW^2=225 so

UW = 15

Now we can say that side XZ is

\frac{3}{5}*15=9

The cos of an angle is the side adjacent to the angle (9) over the hypotenuse of the triangle (23.4) so our ratio is:

cos(z)=\frac{9}{23.4}

which divides to

cos(z) = .3846153846

If you need the value of the angle, use the inverse cosine function on your calculator in degree mode to find that

angle z = 67.38°

3 0
3 years ago
Michael invested a total of $14,000 in two certificates of deposit. One pays 5% interest,
Masja [62]

Answer:

6000=5%

8000=other CD

Step-by-step explanation:

5 0
3 years ago
Hello there, <br><br> can someone please help me with this question
monitta

Answer:

10 sides.

Step-by-step explanation:

Two same interior angles + 72 degrees = 360.

Thus, the interior angle of the polygon is \frac{360-72}{2} =144.

The formula to find the interior angle of a polygon is \frac{180(n-2)}{n}

\frac{180(n-2)}{n} =144

Multiply both sides by n:

\frac{180\left(n-2\right)}{n}n=144n

180\left(n-2\right)=144n

Expand:

180n-360=144n

Add 360 to both sides:

180n-360+360=144n+360

180n=144n+360

Subtract 144n from both sides:

180n-144n=144n+360-144n

36n=360

Divide both sides by 36:

\frac{36n}{36}=\frac{360}{36}

n=10

7 0
2 years ago
swati won a Computer game that she played with matt. The sum of the scores was 754. The difference of there scores was 176. How
klio [65]

<u>Answer:</u>

Swati - 465 , Matt - 289

<u>Explanation:</u>

Let Swati's score be x and Matt's score be y.

Since Swati won the game her score is obviously higher.

We are given the sum and difference between their scores which we can write as , x + y = 754 and x - y = 176.

Solving these two equations by adding them we get 2x = 930 so x = 465. Substituting x in x - y = 176 we get y = 289

Thus Swati scored 465 points and Matt scored 289 points.

5 0
3 years ago
Other questions:
  • How do i find the area of composite figures
    15·2 answers
  • What is the solution of -17 = -2n + 13 - 8n?​
    6·2 answers
  • Bus A and Bus B leave the bus depot at 6 am.
    6·1 answer
  • Pls help. It’s quite late &lt;3
    13·1 answer
  • What is the proportion of 36 / x equals 8/7
    7·1 answer
  • Find the solution to the equation.<br><br> x - 62 = 84
    5·2 answers
  • ((14 + 3) +(20 - 2)2) + 5​
    8·1 answer
  • AP statistics HELP PLEASE!!!!
    6·1 answer
  • Solve the linear equation<br> 5x-10y=-5
    9·1 answer
  • 6(7-5) jkwjwjnwnwnnenenenenenne
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!