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Natali [406]
2 years ago
7

PLS HELP, WILL GIVE BRAINLIEST!

Mathematics
2 answers:
SashulF [63]2 years ago
6 0

Press this link the answer there

brainly.com/question/25430772?answering=true answer feedPublic

KonstantinChe [14]2 years ago
5 0

Answer:

Step-by-step explanation:

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I need help and NOW PLEASE
mixas84 [53]

Answer:

a) 7/4 b) 15/2

Step-by-step explanation:

a) Scale Factor = Image / Object

Take the side of Triangle ABC that's BC Why? Because it corresponds with the Image Triangle ADE's DE

= 21/12 = 7/4

b) 7/4 = 10+ x / 10

Cross Multiply

= 4 ( 10 + x ) = 70

= 40 + 4x = 70

= 4x = 70-40

= 4x = 30

= 4x/4 = 30/4

x = 15/2

3 0
3 years ago
Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. T
prisoha [69]

Answer:

Hence, (75,40) is the maximum point and maximum profit is $192.5

Step-by-step explanation:

Let the breakfast be x

And  let the lunch or afternoon be y

Inequalities will become

\frac{1}{3}x+\frac{1}{2}y\leq 45

\frac{2}{3}x+\frac{1}{2}y\leq 70

And objective function will be

Z=1.5x+2.0y  

You can see the graph in the attachement

ABCD is the feasible region

Points of feasible region is (0,90) ,(0,0) ,(75,40) and(105,0)

We have to find Z by substituting the points of feasible region

At (0,90) we get

Z=1.5(0)+2(90)

Z=180

At (0,0)

Z=1.5(0)+2(0)

Z=0

At (75,40)

Z=1.5(75)+2(40)

Z=192.5

At (105,0)

Z=1.5(105)+2(0)

Z=157.5

The maximum number we are getting is 192.5 which is at (75,40)

Hence, (75,40) is the point of maximum

4 0
3 years ago
A competitive cliff diver jumps into
fredd [130]

Answer:

2.25 seconds

Step-by-step explanation

d=16t^{2}

d=81 feet\\t=?

Because you know what distance equals you can plug it into the equation

81=16t^{2}

From there you can solve by dividing the 16 over and then square rooting.

\frac{81}{16}=t^{2}

5.0625=t^{2}

You take the square-root to get rid of t^{2}

\sqrt{5.0625} =\sqrt{t}^{2}

t=2.25

8 0
2 years ago
Select all equations for which -3 is a solution.
ad-work [718]

Answer:

look it up

Step-by-step explanation:

7 0
3 years ago
what type of conic section is the following equation? 16x^2-300-25y^2 =100 a)parabola b) circle c) hyperbola d)ellipse
Flura [38]
Since you have the minus between the x^2 and y^2 terms it would be a hyperbola 
8 0
3 years ago
Read 2 more answers
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