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LenKa [72]
3 years ago
9

As part of an Earth Science project, Erin tracked the amount of rain fall for 4 weeks. She started tracking after finding some i

nitial data on the year's rainfall to date: Week Rainfall 1 5.5 2 8 3 10.5 4 13 If the linear function representing the amount of rainfall each week is f(w) = 2.5w + 3, what does the 3 represent in this function? The amount of rainfall in week 0 . The week that Erin collected data. The amount of total rainfall. The amount the rainfall increased each week
Mathematics
2 answers:
MissTica3 years ago
7 0

A is the most logical answer out of the choices but I'm not sure if its correct

Galina-37 [17]3 years ago
5 0
A "The amount of rainfall in week 0" zero weeks have passed and theres already up to the 3 mark
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Karina is creating two pyramids with the nets below using construction paper. In both nets, all of the triangular faces of the p
sleet_krkn [62]

Answer:

144 sq in

Step-by-step explanation:

Face height=9, bases=6 in

#Assume the pyramid has a square base.

First we need to calculate the perpendicular height of the pyramid:

#Pythagorean \ Theorem\\a^2+b^2=c^2\\9^2-(0.5\times 6)^2=h^2\\72=h^2\\h=\sqrt{72} \ in

Now to find the surface area of each pyramid:

A=lw+l\sqrt{(w/2)^2+h^2}+w\sqrt{(l/w)^2+h^2}\\\\\#w=l=6,h=\sqrt{72}\\\\A=6^2+6\sqrt{(6/2)^2+72}+6\sqrt{(6/6)^2+72}\\\\A\approx 144\ sq \ in

Hence amount of construction paper needed to make each pyramid is 144 sq in

3 0
3 years ago
Hey cutie you wanna help? I need the answer urgently
BigorU [14]

Answer/Step-by-step explanation:

4(x - 2)= 100 and 2(x - 2) = 50.

We can determine that in both equation x equals 27. But, why is the second one half as much as the first problem? This is because the second problem is being multiplied with a number half as large as the first. Since 27 - 2 = 25 and 25 x 4 = 100 and 25 x 2 = 50 these problems hold up to their function.

If x = 27:

<u>4(x - 2) = 100</u>

27 - 2 = 25

25 x 4 = 100

<u>2(x - 2) = 50</u>

27 - 2 = 25

25 x 2 = 50

6 0
3 years ago
Round your answer to the nearest hundredth. Find angle A=?
Sonja [21]

Answer:

A=48.81

Step-by-step explanation:

it is a right angle triangle find the hypotenuse c using Pythagorean theorem:

c²=a²+b²

c²=8²+7²

c=√64+49

c=10.63

sin A =opp/hyp

sin A=8/10.63

A=  48.81

another way :

tan A=opp/adj

tan A=8/7

A=48.81

4 0
4 years ago
how do i solve the ratio of cats to dogs seen by a veterinarian in one day is 2 to 5. if a vet saw 40 dogs in one day how many c
Natasha_Volkova [10]
40 divided by 5 is 8. 8*2= 16.

The vet saw 16 cats.
8 0
4 years ago
Simplify.<br> (6x)2<br> Write your answer without parent
Keith_Richards [23]
Multiply 2 by 6
Final answer will be 12x.

Glad to help <3
8 0
3 years ago
Read 2 more answers
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