3 years ago

Q. 16 please help to solve

Mathematics

1 answer:

Marysya12 [62]3 years ago

6 0

Answer:

Nesaccary . 2. 3

Step-by-step explanation:

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Which term of the Ap: 3,8,13,18.......is 78?<br>

Alex Ar [27]

Answer:

$\bold{a_{16}=78}$

Step-by-step explanation:

$a_1=3,\ a_2=3+5=8,\ a_3=8+5=13,\ a_4=13+5=18\ \implies\ d=5\\\\a_n=a_1+(n-1)d\\\\a_n=3+(n-1)(5)\\\\a_n=3+5n-5\\\\a_n=5n-2\\\\ a_n=78\quad\implies\quad n=\,??\\\\78=5n-2\\\\78+2=5n\\\\5n=80\\\\n=16$

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3 years ago

1.a) Convert 81° into grade.<br>10

Kazeer [188]

Step-by-step explanation:

I hope it helps man this much .

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3 years ago

What is this answer I don't understand how to figure it out

Diano4ka-milaya [45]

These are congruent angles. So they would be equal to each other. 6x=4x+50

2x=50

x=25°
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4 years ago

Read 2 more answers

The inequality 5x - 2y + 1 > 0 is satisfied by point (-2, -1). True False

Ira Lisetskai [31]

Answer:

False

Step-by-step explanation:

5x - 2y + 1 > 0

plug in the given ordered pair x= -2 and y = -1:-

5(-2) - 2(-1) + 1

= -10 + 2 + 1

= -7 which is less than 0 therefore the answer is False

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3 years ago

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ANSWER ASAP

Nadusha1986 [10]

Y=mx+b
m=0.5
b is value of y in y-intercept, b=-2

The equation of this line is
y=0.5x-2

When x=4
y=0.5x-2=y=0.5*4-2=2-2 = 0
When x=4, y=0.

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3 years ago