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Neko [114]
3 years ago
13

What is the value of -42 +(5-2)(-3)?

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

=-42+3-3

=-42-3+3

=-45+3

=-42

Step-by-step explanation:

this is the correct answer

please mark me as brainlist

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Rebecca ran 21 miles in 5 hours. If she ran at a constant speed, how many miles did she run in 2 hours? 8.4 miles 42 miles 4.2 m
Sholpan [36]

Answer: 8.4 miles

Step-by-step explanation:

d = rt

Solve for her rate

21 = 5r

r = 21/5

r = 4.2

Solve for if the time is 2 hours and rate (solved previously) is 4.2

d = 4.2*2

d = 8.4

6 0
3 years ago
Anyone know this i need help this is for a final
Nuetrik [128]
For every week that goes on, the tiger’s weight increases by 4 lbs.

(1+4=5, 5+4=9, 9+4=13, 13+4=17)

hopefully this helps, good luck on your final! <3
5 0
3 years ago
A new DVD is available for sale in a store one week after its release. The cumulative revenue, $R, from sales of the DVD in this
AnnyKZ [126]

Solution :

It is given that :

$f'(t) = (350 \ln   t)'$

       $=350(\ln t)'$

        $=\frac{350}{t}$

So, f(5)=350 \ln (5) \approx 563

     $f'(5) = \frac{350}{5}$

              =70

The relative change is then,

$\frac{f'(5)}{f(5)}=\frac{70}{350\ \ln(5)}$

         $=\frac{1}{5\ \ln(5)}$

         $\approx 0.12$

          =12\%

This means that after 5 weeks, the revenue from the DVD sales in $563 with a rate of change of $70 per week and the increasing at a continuous rate of 12% per week.

3 0
3 years ago
(4x) to the power of -4​
Eva8 [605]

Answer:

3.90625×10^_03

Step-by-step explanation:

gshdieej

4 0
3 years ago
A Basketball team with 16 members needs $6216 to purchase new jerseys each member is responsible for contributing an aqual share
Irina-Kira [14]
16 rounded to the tens place = 20
6216 rounded to the thousands place = 6000

6000/20 = 300 <==
8 0
3 years ago
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