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2 years ago

_________________ please help!!!!!!!

Mathematics

1 answer:

jeka942 years ago

5 0

Answer:

The answer would be C)5

Step-by-step explanation:

The unknown triangle is half of the size of the original triangle, The right side measurement basically hints to the actual answer.

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Need help with number 50 plz

dmitriy555 [2]

Answer:

16 spoonfuls

Step-by-step explanation:

Round off the 1 1/8 oz spoon capacity to 1 oz. Then divide 16 oz by 1 oz, obtaining the estimate 16 spoonfuls.

7 0

2 years ago

If the measure of angle 1 is 78 degrees and the measure of angle 3 is (5x-2)degrees, what is the value of x ?

Dmitriy789 [7]

Answer:

Step-by-step explanation:

Vertical Angles are congruent (equal)

78 = 5x - 2

80 = 5x

16 = x

7 0

2 years ago

What is the value of ?<br> 2<br> 3 <br> 4<br> 5

Fed [463]

Answer:

idk what your asking but assuming u mean multiplying the answer is 120

Step-by-step explanation:

8 0

2 years ago

Find the sum of a finite geometric sequence from n = 1 to n = 7, using the expression −4(6)n − 1.

Verizon [17]

Answer:

Step-by-step explanation:

The formula of a sum of terms of a gometric sequence:

$S_n=a_1\cdot\dfrac{1-r^n}{1-r}$

a₁ - first term

r - common ratio

We have

$a_n=-4(6)^{n-1}$

Calculate a₁. Put n = 1:

$a_1=-4(6)^{1-1}=-4(6)^0=-4(1)=-4$

Calculate the common ratio:

$r=\dfrac{a_{n+1}}{a_n}\\\\a_{n+1}=-4(6)^{n+1-1}=-4(6)^n\\\\r=\dfrac{-4(6)^n}{-4(6)^{n-1}}=6^n:6^{n-1}\\\\\text{use}\ a^n:a^m=a^{n-m}\\\\r=6^{n-(n-1)}=6^{n-n+1}=6^1=6$

$\text{Substitute}\ a_1=-4,\ n=7,\ r=6:\\\\S_7=-4\cdot\dfrac{1-6^7}{1-6}=-4\cdot\dfrac{1-279936}{-5}=-4\cdot\dfrac{-279935}{-5}=(-4)(55987)\\\\S_7=-223948$

7 0

3 years ago

I REALLY, REALLY, NEED HELP!!! WILL GIVE BRANLIEST RATE AND THANKS

sweet [91]

With lower case numbers and numerals from 0-9 there are about <u>4,738,381,338,321,616,896 possible passwords.</u>

<u></u>

Add up the number of possible numbers and letters.

There are 26 letters in the alphabet, 0-9 would mean 10 digits. Which is 36.

The length of the password she wants is 12.

36 to the power of 12 = 4738381338321620000

4738381338321620000

5 0

2 years ago