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Airida [17]
4 years ago
6

Which expression is equivalent to 21 × 7?

Mathematics
1 answer:
madreJ [45]4 years ago
7 0
7 x 21 is equivalent to 21 x 7
also 3 x 49
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If the first 4 terms of an infinite geometric sequence are 150, 120, 96, and 76.8, then the sum of all the terms in the sequence
hammer [34]

The sum of the sequence is 750

<h3>How to determine the sum of the series?</h3>

The series is given as:

150, 120, 96, and 76.8,

Start by calculating the common ratio using:

r = T2/T1

This gives

r = 120/150

r = 0.8

The sum of the series is then calculated as:

S = \frac{a}{1 - r}

This gives

S = \frac{150}{1 - 0.8}

Evaluate

S = 750

Hence, the sum of the sequence is 750

Read more about sequence at:

brainly.com/question/6561461

#SPJ1

4 0
2 years ago
Pls answer time sensitive
vovikov84 [41]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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A car weighs 958kg when empty. The driver weighs 72kg and his passengers weighs 80kg .what is total mass give your answer. I.kil
AysviL [449]

Answer:

Step-by-step explanation:

i. kilograms 958+72+80=1110                                                                                                                                                 ii.grams we know that 1 kg is 1000g so 1110kg= 1110x1000=1110000g

4 0
3 years ago
The newly elected Chancellor of the Galactic Federation is interested in the opinions of all citizens regarding economic conditi
mafiozo [28]

Answer: 3 step by step approach

Step-by-step explanation:

Since the Chancellor has to use a multi-stage sample to carry out the survey, he or she should carry it out step by step.

First, he or she should randomly sample some solar systems from the galaxy, then secondly sample planets within that solar system, and finally randomly sample countries within the selected planets

7 0
3 years ago
What is the value of the expression shown? 10 - 16:2<br><img src="https://tex.z-dn.net/?f=10%20-%2016%20%5Cdiv%202" id="TexFormu
krek1111 [17]
Divide 16 by 2 first following PEMDAS.

10 - 8

Solve

2
3 0
3 years ago
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