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Sedaia [141]
3 years ago
13

21+x=26? I need to solve this equations

Mathematics
2 answers:
garik1379 [7]3 years ago
5 0
If you need to find the number for x the answer is 5. hope this helps!!
Gala2k [10]3 years ago
5 0
X=5 because you take 21 and subtract that from 26 giving you 5
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Scott started his bank account with $150 and is spending $7 per day on lunch. The x-axis would be labeled:
Inessa [10]

The x axis is labeled as Number of days.

<h3 /><h3>What is graph?</h3>

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

let x be the  number of days and y be money.

So, the equation is

y = -7x + 150.

Hence, the x axis is labeled as Number of days.

Learn more about this concept here:

brainly.com/question/1509203

#SPJ1

5 0
2 years ago
Complete the table of values fory=2x^2+x
Semmy [17]

Complete question:

y = 2x² + 2x - 3

x = -2 -1 0 1 2

Answer:

<u>Complete table of values</u>

x:   -2        -1         0          1          2

y:    1          -3       -3          1         9

Step-by-step explanation:

Given;

y = 2x² + 2x - 3

To complete the table of values of the equation above, we substitute the value of x into the given equation and solve for y.

when, x = -2

y = 2(-2)² + 2(-2) - 3

y = 8 - 4 - 3

y = 1

when x = -1

y = 2(-1)² + 2(-1) - 3

y = 2 - 2 - 3

y = -3

when x = 0

y = 2(0)² + 2(0) - 3

y = 0 - 0 - 3

y = -3

when x = 1

y = 2(1)² + 2(1) - 3

y = 2 + 2 - 3

y = 1

when x = 2

y = 2(2)² + 2(2) - 3

y = 8 + 4 - 3

y = 9

<u>Complete table</u>

x:   -2        -1         0          1          2

y:    1          -3       -3          1         9

7 0
3 years ago
The average of a b c and d is p. If the average of a and c is q, what is the average of b and d in terms of p and q?
vodka [1.7K]
P - q i believe because
p = total average
q = average of ac
x = average of bd
p - q = x

4 0
4 years ago
A school will have a fall festival if at least 40% of the 500 students plan to attend. How many students must agree to attend in
artcher [175]

Answer:

200 students must agree to attend in order for the school to have the festival.

Step-by-step explanation:

200 is 40% of 500. We can also use fractions to figure this out.

\frac{40}{100} =\frac{x}{500}

For 100 to become 500 it must be multiplied by 5. And whatever we do to the denominator we have to do to the numerator. So we multiply 40 × 5 = <em>x</em>

<em>x</em> = 200

\frac{40*5}{100*5} = \frac{x}{500}      

\frac{40}{100} =\frac{200}{500}

7 0
3 years ago
PLEASE ANSWER AND EXPLAIN | 98 POINTS
9966 [12]

<em>Answer:</em>

<em>d</em>

<em />

<em>0.9</em>

<em />

<em>The value of a correlation coefficient ranges between -1 and 1.</em>

<em />

<em>The greater the absolute value of the Pearson product-moment correlation coefficient, the stronger the linearrelationship.</em>

<em />

<em>The strongest linear relationship is indicated by a correlation coefficient of -1 or 1.</em>

<em />

<em>The weakest linear relationship is indicated by a correlation coefficient equal to 0.</em>

<em />

<em>A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.</em>

<em />

<em>A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.</em>

<em />

<em />

<em>hope it helps.</em>

<em />

3 0
4 years ago
Read 2 more answers
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