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
Travka [436]
3 years ago
12

(-5+7x1) - 9x5 evalutate

Mathematics
1 answer:
Luba_88 [7]3 years ago
8 0

Answer:

-43

Step-by-step explanation:

You might be interested in
What is the angle between hour and minute when it is 10 o clock
scoray [572]
I do believe it is a 60 degree angle my friend

8 0
3 years ago
The expression 9x2 - 5x - 7 has ___ terms and a constant of ___.
lukranit [14]
Here r ur terms : (9x^2) , (-5x) , (-7)......so there r 3 terms
constant : a number by itself...no variables....so ur constant is -7
4 0
3 years ago
Read 2 more answers
Please help !! Use Pythagorean theorem :) and show your work if you can thanks :”) will give b
g100num [7]

Answer:

b=\sqrt{1575} ≈ 39.7ft

Step-by-step explanation:

The Pythagorean theorem:

a^{2}+ b^{2}= c^{2}

(a and b are the two shorter legs and c is the largest leg, which is also the opposite side of the right angle)

First, the value of a and c is given. So, we can go ahead and plug those value in and then solve for b.

45^{2}+ b^{2}= 60^{2}

2025+b^{2} =3600

To find b, we have to get it by itself. So we subtract 2025 from both sides then square root both sides. Resulting in:

b^{2} =1575

b=\sqrt{1575} ≈ 39.7ft

7 0
3 years ago
given that a test statistic in a left tailed test is z equals -1.25, use a 0.05 significance level to find the p-value and state
mr Goodwill [35]

Answer:

The <em>p-</em>value of the test is 0.106.

The null hypothesis will be accepted at 5% level of significance.

Step-by-step explanation:

The hypothesis test is left-tailed.

The test statistic value is: <em>z</em> = -1.25.

The significance level of the test is: <em>α</em> = 0.05.

The <em>p</em>-value of a left-tailed hypothesis test is:

p-value=P(Z

The <em>p-</em>value of the test is 0.106.

**Use the <em>z-</em>table for the probability.

<u>Decision rule:</u>

If the <em>p</em>-value is less than the significance level the null hypothesis will be rejected and if it is more than the significance level the null hypothesis will be accepted.

The <em>p</em>-value = 0.106 > <em>α</em> = 0.05.

The null hypothesis will be accepted at 5% level of significance.

5 0
4 years ago
The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are
luda_lava [24]
To solve it we can add 17 + 3
17+3=20
It says that we have to divide 740 into 20 parts
740:40=37
Now we have to multiply 37 bye 17 and by 3 to see the result
37*17=629 - total number of students
3*17=51 - total number of faculty
6 0
4 years ago
Other questions:
  • An ornithologist who specializes in cockatoos in Australia decides to estimate the cockatoo population in a certain region. To d
    8·2 answers
  • Over the last three evenings, Susan received a total of 95 phone calls at the call center. The first evening, she received 5 few
    10·1 answer
  • What is the equation of the line that passes through the point (−3,−11) and is parallel to the line with the equation y=2x−4
    9·1 answer
  • Using the equation y=600/x what is the value of y when x is 0.5
    6·2 answers
  • Can someone simplify this expression? 14y – 5(3 – 2y) and explain how you got it.
    5·2 answers
  • An arc with length 5 pi over 4 inches is formed by a 15 degree central angle what is the radius of the circle
    12·1 answer
  • Sergio ate 3.5 cookies. Each cookie contained 5.7 grams of sugar. How many grams of sugar did Sergio eat?
    8·1 answer
  • Help me with my geometry homework
    13·2 answers
  • Answered<br> I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE
    14·2 answers
  • The game Super Sherman Brothers cost $15 to make. It is then marked
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!