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weeeeeb [17]
2 years ago
14

Anybody know the answer?

Mathematics
2 answers:
madam [21]2 years ago
5 0

Answer:

Step-by-step explanation:

You can read f(x) to mean y. y is above the x axis between -2 and - 6. To put it more formally,

-6 <x <-2

Why don't you use ≤ ?

It's because where is f(x) positive? 0 is not a positive value,, so you cannot use the endpoints.

Sliva [168]2 years ago
4 0
I don’t know
Sorry I’m typing this, brainly says I have to answer 1 question in order to ask more and I’m taking a test right now, just ignore this I can’t risk failing, sorry.
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What is the value of − 9 × ( 1 4 ) ÷ ( − 0.75 ) ?
andre [41]

Answer: 168

Step-by-step explanation:

1. -9 * 14 = -126

2. -126/ -0.75 = 168

8 0
3 years ago
Evaluate, and round your answer to the nearest hundredth.
VashaNatasha [74]

Answer:

  (d)  -1.83

Step-by-step explanation:

The explicit expression for the sum is ...

  S = (-11/5)×(1 -(-1/5)^10)/(1 -(-1/5)) = -2.2(1 -1.024×10^-7)/1.2

  S = -1.8333331456

The sum is approximately -1.83.

_____

<em>Additional comment</em>

For a sum of a sequence with multiplier 'a' and common ratio r, we find ...

  \displaystyle S=\sum_{n=1}^{10}ar^n=ar+ar^2+ar^3+\dots+ar^{10}\\\\rS=ar^2+ar^3+\dots+ar^{10}+ar^{11}\\\\S-rS=ar+(ar^2-ar^2)+(ar^3-ar^3)+\dots+(ar^{10}-ar^{10})-ar^{11}\\\\S=\dfrac{ar-ar^{11}}{1-r}=ar\dfrac{1-r^{10}}{1-r}

__

A calculator or spreadsheet can also find the sum for you.

7 0
2 years ago
2. Olivia bowled 5 games. Her scores were 80, 95, 100, 85, and 95. What is the mean of her scores for the 5 games? * A. 20 B. 72
o-na [289]
To find the mean of a set of values, add the values and divide by the number of values.

mean = (sum of values)/(number fo values)

mean = (<span>80 + 95 + 100 + 85 + 95)/5 = 455/5 = 91

Answer: C. 91</span>
6 0
2 years ago
Help please!! Simplify the following expression
Andrej [43]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>D. 8x⁴ + x³ - 4x² + 1</em>

▹ Step-by-Step Explanation

Remove the opposites:

x⁴ + 3x³ - 2x³ - 5x² + x² + 1 + 7x²

Collect like terms:

8x⁴ + 3x³ - 2x³ - 5x² + x² + 1

8x⁴ + x³ - 5x² + x² + 1

8x⁴ + x³ - 4x² + 1

Hope this helps!

CloutAnswers ❁

━━━━━━━☆☆━━━━━━━

7 0
3 years ago
Am I correct ??? I don’t really know
Setler [38]
What you have here is a situation with two <em>similar triangles. </em>The triangle in the lower left is similar to the triangle in the upper right - I've included an image with "cutouts" of those triangles so you can see the similarities. Similar triangles have a very important property: <em>the ratios of their corresponding sides are equivalent</em>. Here, we can set up a ratio between the sides of length 64 and x on the larger triangle, and the corresponding sides of length x and 36 on the smaller triangle. Setting the two equal to each other, we have

\frac{64}{x}= \frac{x}{36}

Multiplying both sides of the equation by 36 and x, we get

64\cdot36=x^2

finally, we take the square root of both sides of the equation to find x:

\sqrt{64\cdot36}=x\\&#10;\sqrt{64}\sqrt{36}=x\\&#10;8\cdot6=x\\&#10;48=x

4 0
3 years ago
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