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
umka2103 [35]
3 years ago
8

2x+20=3x-10 solve for x

Mathematics
1 answer:
il63 [147K]3 years ago
7 0

Answer:

x=30

Step-by-step explanation:

You might be interested in
Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days?
Annette [7]
We're going to assume that x = # of days.
Plug 12 in as x:
4 × 12 = 48
48 + 6 = 54
They produced 54 boats in 12 days.
7 0
3 years ago
Read 2 more answers
WILL MARK BRAINLY<br><br> f(x) = 2x 2+ 6 when f (4)
Elena-2011 [213]

Answer: is there suposed to be a symbol between the 2x and the 2?

4 0
3 years ago
What is X<br><img src="https://tex.z-dn.net/?f=%20-%203x%20%2B%2012%20%3D%2021" id="TexFormula1" title=" - 3x + 12 = 21" alt=" -
Paraphin [41]
You would move all terms that don’t contain x to the right side and solve. Answer : x= -3
8 0
3 years ago
Read 2 more answers
PLEASE HELP! DUE SOON! YOU ARE AMAZING
Sedbober [7]

Answer: Is D

Step-by-step explanation:

I hope I am right if I'm not please correct me

8 0
3 years ago
Read 2 more answers
According to the College Board website, the scores on the math part of the SAT (SAT-M) in a recent year had a mean of 507 and st
Leviafan [203]

Answer:

The actual SAT-M score marking the 98th percentile is 735.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 507, \sigma = 111

Find the actual SAT-M score marking the 98th percentile

This is X when Z has a pvalue of 0.98. So it is X when Z = 2.054. So

Z = \frac{X - \mu}{\sigma}

2.054 = \frac{X - 507}{111}

X - 507 = 2.054*111

X = 735

8 0
3 years ago
Other questions:
  • Ryan has 3/4 cup of pudding. How many 1/6 cup serving of pudding can ryan make?
    9·1 answer
  • Please I need correct answer
    13·1 answer
  • A rectangle is formed by joining two squares with area 49 cm2.
    11·2 answers
  • Tomas Scheckter won the Bombardier Learjet at Texas Motor Speedway by edging the
    8·1 answer
  • What is the solution of the linear-quadratic system of equations? { y = x 2 + 5 x − 3 y − x = 2
    12·2 answers
  • Chose the correct equation for the line shown on the graph?
    12·1 answer
  • 3c - 4 = 14 solve the equation​
    5·1 answer
  • (03.05 MC) EXPLAIN PLZ
    13·2 answers
  • 1. Given that (27 ^ (n + 3))/(81 ^ (p - 1)) = 3 , express p in terms of h.​
    13·1 answer
  • I’ll give brainliest
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!