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
DerKrebs [107]
3 years ago
15

Can someone help me with a few of these?

Mathematics
2 answers:
Galina-37 [17]3 years ago
4 0

Step-by-step explanation:

12. a²+b²=c²

7²+b²= 8²

49+b²=64

b²=64-49

b²= 15

Sq root both sides

b or well X=3.87

13. 4²+x²=8²

16+ײ=64

ײ=48

Sq root both sides

x=6.93

Makovka662 [10]3 years ago
3 0

Answer:

can you please tell us which ones?

You might be interested in
Functions! Help with number 3 please!!!
Norma-Jean [14]

Answer: 20

Step-by-step explanation:

Assuming g(x) = -4x + 1,

( -4 (-4) + 1) - (-4 + 1)

= (16 + 1) - (-3)
= 17 + 3

= 20

3 0
3 years ago
100 / 25 simplest form
alexgriva [62]
4 is your answer have a great day

4 0
3 years ago
Read 2 more answers
A study was done to investigate the relationship between bodybuilders' weights and daily protein intake. The correlating linear
kolezko [41]
It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)
3 0
3 years ago
B-13=7 как решить этот уровнения​
beks73 [17]

Answer:

b equals 20

Step-by-step explanation:

b - 13 = 7

7 + 13 = b

7 + 13 = 20

7 0
3 years ago
A regression by a sample of 10 observations gives: Score=49.5+1.96 Study Hours. The sample mean of study hour is 10.5 and sum of
amm1812

Answer:

0.1463

Step-by-step explanation:

Number of observations = 10

Sample mean = 10.5

Sum of standard deviation = 264.5

X = 14

We are to calculate The leverage statistic for study hour 14 using the data above

= 1/10 + (14-10.5)²/264.5

= 1/10 + 3.5²/264.5

= 0.1 +12.25/264.5

= 0.1+0.04631

= 0.1463 is the leverage statistic for the study

4 0
3 years ago
Other questions:
  • HELP ME WITH THIS PLSSSS
    8·2 answers
  • The CD Recyclery sells used CDs for $10 each and buys them for $6 each. Bob paid $20 when he bought and sold the same number of
    11·1 answer
  • Pooky eats three cans of cat food each day. How long will 27 cans of food last?
    5·2 answers
  • Graph -5, 0, 2,and 4 on a numberline
    11·1 answer
  • Gary is using an indirect method to prove that segment DE is not parallel to segment BC in the triangle ABC shown below:
    13·1 answer
  • How do I find the surface area of a regular hexagonal pyramid if there is no middle height given
    9·1 answer
  • If a sentence is defined recursively by f(0)=3 and f(n+1) = f(n) +5 for n ? 0, then f(2) is A) 2 B) 3 C) 5 D) 8
    11·1 answer
  • There are 12800 films on Netflix. 9% of the films are horror. How many films are horror?
    14·2 answers
  • Using the graph below, what is the unit rate?
    9·1 answer
  • 2b-3(1+b)=-3(b+7) whats the answer? and how do you do it??
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!