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lozanna [386]
3 years ago
8

Help with the following problems-

Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0
6x.because ur gonna use 5
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The graph shows the relationship between the United States dollar and the euro, the currency of the European Union, in December
olasank [31]

The graph is missing, so i have attached it;

Answer:

Constant of proportionality = 0.75

Step-by-step explanation:

From the graph attached, we are given 3 coordinate points of (x, y) namely;

(120, 90), (250, 187.5), (400, 300)

Now, constant of proportionality for each coordinate point is simply;

k = y/x

Thus, for first coordinate point (120, 90),

k1 = 90/120

k1 = 0.75

For 2nd coordinate point (250, 187.5),

k2 = 187.5/250

k2 = 0.75

For third coordinate point (400, 300),

k3 = 300/400

k3 = 0.75

From each of the 3 points, we can see the constant of proportionality is the same and equal to 0.75.

6 0
3 years ago
Can someone help me with these questions ? 15-21 <br> It’s due today and i really need help...
Darya [45]

Answer:

15-21=(-6)

Step-by-step explanation:

4 0
3 years ago
N order to write an expression like (5x + 4)3 in expanded form, it helps to look at (5x + 4) as just one number, n.
Vladimir79 [104]

The expression (5x + 4)^3 in expanded form is 125 x3 + 300 x2 + 240 x + 64.  The expression will have also a root of x = -4/5. This is the form of trinomial expansion and can be  solve by multiplying the the term 3 times.

6 0
3 years ago
Marisol buys 3 pounds of cheese and 3 pounds of sausage for a total cost of $36 the sausage cost $2.00 less per pound than the c
Firdavs [7]

Answer:

cheese=$7

sausage=$5

Step-by-step explanation:

let the cost of a pound cheese be x

that of sausage=x-$2

3x+3(x-2)=3x+3x-6

6x-6=36

6x=36+6

6x=42

x=7

7 0
3 years ago
–d+7d–2d–8d<br> uhhhhhhhh
AVprozaik [17]

Answer:

if you are trying to solve for <em>d </em>here it is...

2 sin (x) -1 = 0

2x=5

4x=8

Step-by-step explanation:

please give brainliest!

3 0
3 years ago
Read 2 more answers
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