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Marat540 [252]
3 years ago
8

Can someone please help me with these three questions and explain

Mathematics
1 answer:
Leokris [45]3 years ago
3 0

Step-by-step explanation:

an = a1 + (n - 1)d

Question 8)

2,8,14

d=a2-a1

d=8-2=6

a77= 2+ (76)*6

a77= 2+456=458

a77= 458

Question 9)

-12,-17,-22

d= -17+12= -5

a82= -12+ (81)*(-5)= -12-405= 417

a82= 417

Question 10)

9,13,17

d= 13-9= 4

a49= 9+ (48)*4= 201

a49= 201

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I need help , I need to get 80%
wel
Answer:

NO, It’s not a right triangle

Explanation:

Using the converse of Pythagoras’ theorem if the triangle is right then

Square on longest side = sum of square of the other sides

70^2= 4900

55^2 + 42^2 = 4789

Since 4900 ≠ 4789 not a right triangle
8 0
3 years ago
Read 2 more answers
How to solve the 1st question. it's really tough. pls explain with steps
Ivan
So the maximum x and maximum y is consists the first formula (smaller than or equals 11) u can easily determine the maximum and minimum numbers of variables from given disequilibriums.

Hope it helps!
#MissionExam001

6 0
3 years ago
I want to rearrange the formula of 3+x=ax to find out what x is equal to. I already know the answer via the answer sheet but I w
taurus [48]

Answer:

See below.

Step-by-step explanation:

3+x=ax    (Given)

x=ax-3    (Subtracted 3 on both sides)

x-ax=-3    (Subtracted ax on both sides)

x(1-a)=-3    (Factor out x from x - ax)

x=-\frac{3}{1-a}    (Divided 1 - a on both sides)

7 0
3 years ago
If 12 oranges cost 5.04 how much does 1 orange cost
Musya8 [376]
$0.42 I think that is the answer
5 0
3 years ago
Find the measure of the indicated angle to the nearest degree please. Thanks.
KatRina [158]

Answer:

<h2>? = 35°</h2>

Step-by-step explanation:

Let the angle be x

To find the indicated angle we use sine

sin ∅ = opposite / hypotenuse

From the question

7 is the hypotenuse

4 is the opposite

sin x = 4/7

x = sin-¹ 4/7

x = 34.85

x = 35° to the nearest degree

Hope this helps you

8 0
3 years ago
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