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NeTakaya
3 years ago
13

-5(8m+-7)= 35+8m +0+0+0+0​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

-5(8m+-7)= 35+8m +0+0+0+0​

multiply the bracket by -5

(-5)(8m)=-40m

(-5)(+-7)=-5*-7=35

-40m+35=35+8m+0

move +8m to the other side

sign changes from +8m to -8m

-40m-8m+35=35+8m-8m+0

-48m+35=35+0

-48m+35=35

move +35 to the right side

-48m+35-35=35-35

-48m=0

divide both sides by -48 to get +m

get m by itself

-48m/-48=0/-48

Answer:

m=0

Lubov Fominskaja [6]3 years ago
4 0

Answer:

-32m+70

Step-by-step explanation:

-5(8m-7)

-5*8: is -40m

-5*-7 is 35

-40m+8m+70 is -32m+70

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13 liter is approximately how many gallons rounded to the nearest tenth
andrey2020 [161]
A liter is 0.264 gallons so 13 * 0.264 = 3.432 and round it up it is 3.4
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3 years ago
Read 2 more answers
Complete the recursive formula of the geometric sequence 16\,,\,3.2\,,\,0.64\,,\,0.128,...16,3.2,0.64,0.128,
Nastasia [14]

Answer:

a_{n+1}=0.2a_n for all n>0, a_1=16

Step-by-step explanation:

Let \{a_n\}=\{16,3.2,0.64,0.128,\cdots \} be the sequence described.

A geometric sequence has the following property: there exists some r (the ratio of the sequence) such that \frac{a_{n+1}}{a_n}=r forr all n>0.

To find r, note that

\frac{3.2}{16}=\frac{32}{10(16)}=\frac{2}{10}=\frac{1}{5}=0.2

Similarly

\frac{0.64}{3.2}=\frac{64}{10(32)}=\frac{1}{5}=0.2

\frac{0.128}{0.64}=\frac{1}{5}=0.2

Thus a_{n+1}=r a_n=\frac{a_n}{5}=0.2a_n for all n>0, and a_1=16

3 0
3 years ago
Miguel e nádia trabalham num escritório de contabilidade. A cada 45 minutos miguel vai á sala de café para relaxar um pouco, enq
Kazeer [188]

Responder:

3 horas

Explicação passo a passo:

Dado :

Miguel a cada 45 minutos

Nádia a cada 60 minutos

Número de horas que eles vão se ver no mesmo lugar:

Para fazer isso ;

Obtenha o menor múltiplo comum de 60 e 45

Múltiplos de:

45: 45, 90, 135, 180, 225.

60: 60, 120, 180, 240, 300.

O menor múltiplo comum de 45 e 60 é 180

° Assim, eles se verão no mesmo lugar após 180 minutos;

Número de horas = 180/60 = 3 horas

6 0
2 years ago
3.
sergey [27]

Answer:

His money earned $36 after 3 months

Step-by-step explanation:

* Lets revise the rules of simple interest

- Simple Interest Equation (Principal + Interest)

 A = P(1 + rt)

- Where:

• A = Total amount (principal + interest)  future amount

• P = Principal Amount

• I = Interest Amount

• r = Rate of Interest per year in decimal; r = R/100

• t = Time Period involved  

* To calculate the interest I use the formula

  I = P × r × t

* Lets solve the problem

- The rate is annual

- The interest calculated after 3 months

∴ I = P × R/100 × t/12

∵ P = $3600.00

∵ R = 4%

∵ t = 3 month

∴ I = 3600.00 × 4/100 × 3/12 = $36

* His money earned $36 after 3 months

5 0
3 years ago
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suter [353]

  Your answer will be 1/55 or A because, at the beginning of the problem it states "you are one of 55 people" ((:

8 0
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