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dedylja [7]
3 years ago
6

Please help and explain how you got the answer. Im giving out brainliest. || Q4

Mathematics
2 answers:
alexdok [17]3 years ago
8 0

Answer:

32

Step-by-step explanation:

Inside the parentheses, we see 5+3, which equals 8. Now, do 8x4, which equals 32!

rosijanka [135]3 years ago
4 0

Answer: 32

Step-by-step explanation:

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Neptune’s diameter is a little less than 5 x 10 with a power of 7 meters.how is this number expressed in standard notation
UNO [17]

Answer:

So scientific notation would be 5 x 10 ^7, and standard would be 50,000,000

Step-by-step explanation:

The 7 means you move the decimal to the right 7 times, meaning you add 7 zeros.

4 0
3 years ago
A dog pen in the shape of a rectangle is to be built using one wall of a house as a side. If 132 feet
diamong [38]
This is a very poorly written question. im assuming the house wall is at least 130 ft since there is no information given about it.

each set of side lengths has three elements, the long side and the two short sides. we're asked to list all whole number possibilities so start anywhere, the two short sides being 1ft
(1 1 130). the long side has to be the difference of 132 and the length of both short sides.

the area is one of the short sides times the ling side, in the first case 1*130=130 sqft

continuing the list

(2 2 128) area=256
(3 3 126) area=378
(4 4 124) area=496
(5 5 122) area=610

the short sides increase by 1, the long side decreases by 2, the area gets bigger, but the difference between the areas are 4 less each time. dividing the first difference, 122, by 4 will give us a number to make a better guess from.

122÷4=30.5

so lets try

(30 30 72) area=2160

lets try 31 and see if that gives a smaller area

(31 31 70) area = 2170

(32 32 68) area =2176

(33 33 66) area = 2178

(34 34 64) area = 2176

so the area is decreasing now which means the maximum area is found when thw long side is 66 feet and the short sides are 33 feet.

as far as listing all possibilities, you see the pattern i started, i leave the rest to you
6 0
3 years ago
A miniature quadcopter is located at xi = −1.75 m and yi = −5.70 m at t = 0 and moves with an average velocity having components
Black_prince [1.1K]

The quadcopter's average velocity is given in terms of change in position by

\vec v_{\rm av}=\dfrac{\Delta x}{\Delta t}\,\vec\imath+\dfrac{\Delta y}{\Delta t}\,\vec\jmath

where \Delta x=x_f-x_i, the difference in the quadcopter's final and initial positions and \Delta t=(1.60-0)\,\mathrm s=1.60\,\mathrm s.

The x-component of the average velocity is 2.70 m/s, so

2.70\dfrac{\rm m}{\rm s}=\dfrac{x_f-(-1.75\,\mathrm m)}{1.60\,\rm s}\implies \boxed{x_f=2.57\,\mathrm m}

and the y-component is -2.50 m/s, so

-2.50\dfrac{\rm m}{\rm s}=\dfrac{y_f-(-5.70\,\mathrm m)}{1.60\,\rm s}\implies\boxed{y_f=-9.70\,\mathrm m}

4 0
3 years ago
Which pickle jar deal has the best price per ounce? $3.45 or 14 oz $4.35 for 16 oz $3.29 for 12 oz $4.25 for 15 oz
Allisa [31]
To find the answer divide each money amount by the cost:
3.45/14=<span>0.246428571429
</span>4.35/16=0.271875
3.29/12=0.274166666667
4.25/15=<span>0.283333333333
</span>The pickle jar that has the best deal is 14 oz for $3.45

Hope this helps!

8 0
3 years ago
The equation that passes through (3,6) and is perpendicular to 3x - 4y = - 2
Ad libitum [116K]

Answer:

A. y=-5/3x+1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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