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DaniilM [7]
3 years ago
6

Using the order of operations, what should be done first to evaluate (-2)³ + 4 ÷ (-15 + 9)(3) - 4?

Mathematics
2 answers:
lara [203]3 years ago
6 0
1sr one is correct :))
Rainbow [258]3 years ago
5 0
Add -15 and 9 is the first thing to do to evaluate the equation
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What does x = ? <br><br> Somebody please help me
zhenek [66]

Answer:

<h2>....Well i solved it for u..</h2>

7 0
3 years ago
I NEED HELP PLEASE I WILL MARK BRAINLIST<br><br> The question is in the screenshot
Ivan

The answer is unreasonable because the value of x is between 2 and 3.The error is : she did not introducing logs in solving the equation.

Step-by-step explanation:

The question is 7^x=95

Here answers is unreasonable because, she can test with powers of seven like;

7²=49

7³=343

So this means the value of x lies between 2 and 3, so here answer 11.71 is unreasonable

b) In this case, to solve the equation, introduce logs both sides

7^x=95

log7^x=log95\\\\\\xlog7=log95\\\\\\x=\frac{log95}{log7} \\\\\\x=2.340

Learn More

Indices :brainly.com/question/1660321

Keywords :Equation, error

#LearnwithBrainly

4 0
3 years ago
I need help with this question on a math test
Tomtit [17]

large square: 144

Medium square: 100

small square: 9

3 0
3 years ago
Use a system of equations to solve this problem.
emmainna [20.7K]
We have to set up 2 equations:
A) x + y = 10 liters
B) .05x + .25y = 10 * .10

Multiply equation B) by -4
B) -.2x  - y = -4 then add to equation A)
A) x + y = 10 liters
.8x = 6 liters
x = 7.5 liters of 5%
y = 2.5 liters of 25%

6 0
3 years ago
PLEASE HELP!!! thank you :)
IRINA_888 [86]

Answer:

(0,20) (16,8) (8,4) so A

Step-by-step explanation:

By default it is dilating centered at the origin because not specified. Therefore you just multiply every coordinate by the scale factor, in this case 2. Hope this helped!

6 0
3 years ago
Read 2 more answers
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