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LenaWriter [7]
2 years ago
12

What is the value of a?

Mathematics
2 answers:
ehidna [41]2 years ago
4 0

Answer:

I think it's a= 6.98 I did the solution

balandron [24]2 years ago
3 0

Answer:

7.9

Step-by-step explanation:

2.25(a + 1.3) = 20.7 \\  \\  \implies a+ 1.3 =  \frac{20.7}{2.25}  \\  \\  \implies a+ 1.3 =  9.2  \\  \\ \implies a=  9.2 - 1.3  \\  \\ \implies a= 7. 9\\  \\

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What is the intersection of the sets A = {2, 5, 6, 14, 16} and B = {1, 3, 6, 8, 14}?
djyliett [7]

Answer:

my brain

Step-by-step explanation:

i cant

what the hell even IS this!

here take this instead.

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now I need a Tylenol, u gave me a migraine.

8 0
3 years ago
$5,000 is invested at 3% interest. How much money must be invested at 5% interest so that the total interest from the two invest
Nataly [62]
3% interest on 5,000 = 150

275 (the total amount wanted) - 150 (from initial investment)= 125

x (5%) =125
x (0.05)= 125
x/0.05)= 125/0.05
x=2500

you need to invest 2500 at 5% to get the additional 125

125 plus 150= 275


7 0
3 years ago
Read 2 more answers
Para hacer 600 m de una obra, 30 obreros han trabajado 12 dias a razon de 10 horas diarias. ¿Cuantos dias necesitaran 36 obreros
Gwar [14]

Respuesta:

25 días

Explicación paso a paso:

Dado :

escenario 1

Área = 600 m

Número de días = 12

Número de trabajadores = 30

Tasa = 6

Escenario 2:

Área = 900 m

Número de días = n

Número de trabajadores = 36

Tasa = 6

Igualar los parámetros en cada escenario:

12 / n = 36/30 * 6/10 * 600/900

12 / n = 6/5 * 3/5 * 2/3

12 / n = 6/5 * 1/5 * 2/1

12 / n = 12/25

12 * 25 = 12n

300 = 12n

n = 300/12

n = 25 días

7 0
3 years ago
Time sensitive question. Find the sum of the first 26 terms of an arithmetic series whose first term is 7 and 26th term is 93.
lisabon 2012 [21]

ANSWER

S_{26}=1300

EXPLANATION

The sum of an arithmetic sequence whose first term and last terms are known is calculated using

S_{n}= \frac{n}{2} (a + l)

From the given information, the first term of the series is

a = 7

and the last term of the series is

l = 93

The sum of the first 26 terms is

S_{26}= \frac{26}{2} (7 + 93)

S_{26}= 13 (100)

S_{26}=1300

7 0
3 years ago
Find x pls<br><br> show full working pls
Natalija [7]

hopefully this helps :)

5 0
2 years ago
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