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3 years ago

Please answer number 69 ASAP

Mathematics

2 answers:

11Alexandr11 [23.1K]3 years ago

8 0

45 Degrees Celsius :)))))

Alex17521 [72]3 years ago

7 0

heheh 69. but the answer is 42 celsius

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Y+5=9/2(x+7) in standard form

ZanzabumX [31]

Answer:

2x-y=-1

Step-by-step explanation:

y + 9 = 2(x + 5)

y + 9 = 2x + 10 [distribute]

y = 2x + 1 [subtract 9 from both sides]

y - 2x = 1 [subtract 2x from both sides]

-2x + y = 1 [put x first]

2x - y = -1 [multiply by -1 to make x coefficient positive]

7 0

3 years ago

Suppose you have $10,000 to invest. Which investment yields the greater return over 7 years: 6.6% compounded monthly or 6.7% com

joja [24]

Answer:

C) $10,000 invested at 6.7% compounded quarterly over 7 years yields the greater return.

Step-by-step explanation:

-We determine the effective interest rate in both scenarios and use it to calculate the investment's value after 7 years.

#Given n=7yrs, P=$10,000 and i=6.6% compounded monthly:

$i_m=(1+i/m)^m-1\\\\=(1+0.066/12)^{12}-1=0.06803\\\\\therefore A=P(1+i_m)^n\\\\=10000(1.06803)^7\\\\\approx \$15,852.00$

#Given n=7rs, P=10000, i=6.7%

$i_m=(1+i/m)^m-1\\\\=(1+0.067/4)^{4}-1=0.06870\\\\\therefore A=P(1+i_m)^n\\\\=10000(1.06870)^7\\\\\approx \$15,921.75$

Hence, the investment has the largest value($15,921.75) when the interest rate is compounded quarterly.

8 0

2 years ago

I need help with simply the number please

marta [7]

7 + $\frac{2(5-2)2}{4}$

7 + $\frac{2(5-2)}{2}$

7+5-2

12-2 = 10

7 0

3 years ago

8 2– 2 5 ) ÷ (24 ÷ 6) + 3 2

Ray Of Light [21]

Answer:

46.25

Step-by-step explanation:

82-25=57

24/6=4

57/4=14.25

14.25+32=46.25

7 0

3 years ago

I am a 2-digit number. The sum of my digits is 16. My ten’s digit is greater than my one’s digit. What number am I?

jarptica [38.1K]

Answer:

Step-by-step explanation:8? 8 is greater than 0 xd

8 0

2 years ago