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Pavlova-9 [17]
3 years ago
6

Does anyone know how to do this question ??

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
Y^2-9^2

(y-9)(y+9)

To see if its right:

y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2
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2.8-4.4n-2n+7<br><br><br><br> QUICKLY BRAINLY IF CORRECT
Alenkasestr [34]

Step-by-step explanation:

=9.8-6.4n

just add them together as easy as that

7 0
3 years ago
Need help please thank you
Free_Kalibri [48]

Answer:

6

Step-by-step explanation:

All of them. (6)

4 0
3 years ago
11) Write the explicit formula
Illusion [34]

Answer:

365

Step-by-step explanation:

tn = t1 + (n - 1)(d)

t(47) = -3 + (47 - 1)(8)

t(47) = -3 + (46)(8)

t(47) = -3 + 368

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6 0
2 years ago
Could 10.3cm 4.4cm and 8.3 cm be the side lengths of a triangle yes or no
evablogger [386]

Answer:

No

Step-by-step explanation:

As you probably know, triangles have 3 sides. The longest side is called the hypotenuse. In this case, the hypotenuse is 10.3. Now, you might or might not know the pythagorean theorem, which states that the <em>a² + b² =c ². </em>

In this case, we can say that 4.4 is <em>a </em>and 8.3 is <em>b. </em>Now if we square 4.4 and add it to 8.3 squared, we get 88.25. However, if you square 10.3, you get 106.09. Thus, the values cannot be this way. So, your answer is no.

3 0
3 years ago
(0,8)<br> (-2,0). What is the equation of the linear graph shown?
Alex73 [517]

Answer:

4

x value increases  by 2 in the time it takes y value to increase by 8

8/2 = 4

6 0
2 years ago
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