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
Anarel [89]
3 years ago
12

SOLVING EQUATIONS

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0

Answer:

4x + 19 = -21

Step-by-step explanation:

4(-10) + 19 = -21

-40 + 19 = -21

You might be interested in
Linda read 1/5 of a book on Friday and 2/7 of the book on Saturday. On Sunday she read 5/9 of the remaining pages. What fraction
insens350 [35]
Here, you just want to solve it by finding a common denominator.
1/5+2/7, because she read 1/5 and 2/7 of the book on separate days. The common denominator is 35.
7/35+10/35
=17/35
So that's how much of the book she read before Saturday.
Now it says that on Sunday she read 5/9 of the remaining pages, meaning:
1-17/35 should give us our answer
35/35-17/35=18/35
But since it says she read 5/9 of the remaining pages, we need to multiply 18/35 by 5/9 to get what 5/9ths of 18/35 is.
(18/35)(5/9)=2/7
Therefore she read 2/7ths of the book on Sunday.
3 0
3 years ago
Henry's uncle from Japan promised to give him 35 g of gold. The local jewelry exchange will buy gold for $1224 per ounce. How mu
galina1969 [7]

Answer:

$1530

Step-by-step explanation:

First of all, it is required to convert 35g of gold into ounce.

Since,

1 oz = 28 g

or, we can write,

1 g = \frac{1}{28} oz

Now, for 35 g of gold, we can write,

35 * 1 g = 35 * \frac{1}{28} oz\\35 g = 1.25 oz

Since, local jewelry will buy at $ 1224 per oz, and we have 1.25 oz of gold, so,

1.25 * 1244\\$1530

4 0
3 years ago
Read 2 more answers
Please help - Solve<br> -103=6x+17
Mazyrski [523]

Answer:

its Ans is x= -20......

5 0
2 years ago
Read 2 more answers
Round 0.6203 to<br> the tenths place
navik [9.2K]

Answer:

0.6

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
2x² - 5x+1 has roots alpha and beta. Find alpha⁴+beta⁴ without solving the equation.
shepuryov [24]

Answer:

Step-by-step explanation:

\alpha+\beta=\dfrac{5}{2} \\\\\alpha*\beta=\dfrac{1}{2} \\\\\alpha^2+\beta^2=\dfrac{21}{4} \ (see\ previous\ post)\\\\(\alpha+\beta)^4=\dfrac{625}{16} \\\\=\alpha^4+\beta^4+4*\alpha^3*\beta+6*\alpha^2*\beta^2+4*\alpha*\beta^3\\\\=\alpha^4+\beta^4+4*(\alpha*\beta)(\alpha^2+\beta^2)+6*\alpha^2*\beta^2\\\\\alpha^4+\beta^4=(\alpha+\beta)^4-4*(\alpha*\beta)(\alpha^2+\beta^2)-6*\alpha^2*\beta^2\\\\= \dfrac{625}{16} -4*\dfrac{1}{2} *\dfrac{21}{4} -6*(\dfrac{1}{2})^2 \\\\

= \dfrac{625}{16}- \dfrac{168}{16}-\dfrac{24}{16}\\\\\\= \dfrac{433}{16}

7 0
3 years ago
Other questions:
  • Based on the construction which statement must be true​
    8·1 answer
  • 15 - (-7) = ?? Please help if you know the answer can you maybe show work or explane how you got the answer thank you :)
    14·1 answer
  • 2. There are two boxes. Each one contains paper slips marked 1 to 10. If we take one slip from each box, what is the probability
    14·1 answer
  • What is the solution to the equation below? Round your answer to two decimal places. HELP PLEASE PLEASE HELP PLEASE ASAP PLEASE
    5·1 answer
  • Evaluate Each Expression :) only 5 problems.
    9·1 answer
  • Which multiplication expression is equal to 2/5÷2/3?
    10·1 answer
  • Annual sales for a company are $155,000 and increases at a rate if 8% per year for 9 years
    5·2 answers
  • A TV has a listed price of $695.95 before tax. If the sales tax rate is 7.75%, find the total cost of the TV with sales tax incl
    5·1 answer
  • Can anyone PLEASE HELP ME WITH THIS QUESTION?
    12·1 answer
  • ASAP<br> what is the GCF between x3 y5 and x4 y2
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!