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attashe74 [19]
3 years ago
13

Can someone help me?

Mathematics
1 answer:
Savatey [412]3 years ago
3 0
A 7x-2
b -x-6
C x+6
D 7x-2
E 7x^2-10x-8
F 9x^2-24x+16
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20 POINTS Compost costs $10 per cubic yard and topsoil costs $2 per cubic yard. Maria needs more than 10 cubic feet of topsoil.
Morgarella [4.7K]
I can't see the graph but let's use logic
hmm, more than 10 cubic feet of topsoil so the first and 2nd options are wrong

let's ee the costs
3rd option
10*1=10
2*12=24
10+24=34 and 34<50, that is fine

4th option
3*10=30
2*12=24
30+24=54
54>50, nope, that is over cost


answer is 3rd one
the one with 1 cubic yard compost and 12 cubic yard topsoil
8 0
4 years ago
Read 2 more answers
Find simple interest <br>Rs.6500 for 2years 3months at<br>6percent per annum<br><br>​
maks197457 [2]

<h2>Question:</h2>

find simple interest

Rs.6500 for 2years 3months at

6percent per annum

<h2>Solution :</h2>

To find the simple interest , We'd use the following formula:-

<h2>P×R×T/100</h2>
  • P= 6500
  • R=6
  • 2.25 (2 years+ 3 month)

.°.

S.I = 65×13.5

S.I = Rs.877.50

Hope it helps

-------☆゚.・。゚ᵴɒƙυᴚᴀ_ƨȶäᴎ❀

4 0
3 years ago
I need the answer to a and b
erica [24]

Answer:

a. x = 7

b. x = 36/5

Step-by-step explanation:

<u>Points to remember</u>

The ratio of of corresponding sides of similar triangles are equal.

<u>a). To find the value of x</u>

From the figure 1 we get two similar triangles, ΔABC and ADE

We can write,

AB/AD = AC/AE

3/6 = x/(x + 7)

3(x + 7) = 6 * x

3x + 21 = 6x

6x - 3x = 21

3x = 21

x = 21/3 = 7

<u>b). To find the value of x</u>

From the figure b we get

ΔABC ~  ΔEDF

AB/DE = BC/DF

4/5 = x/9

x = (4 * 9)/5 = 36/5

7 0
3 years ago
Geometry help please! Thanks!
masya89 [10]
Mid point formula

(x1 + x2) , (y1+y2)
---------      --------
    2             2
Thus for x it would be (6+(-2)) /2 or 4/2 or 2.
For y (-4 + 4) / 2 or 0 / 2  or  0.
Mid point is (2,0)
8 0
3 years ago
(I need these answered asap and with work and explanation included)
erik [133]

Answer:

blue marbles - 2/9. red marbles - 3/9 = 1/3 clear marbles - 4/9. Davis got a 2/9 chance and Tessa got a 2/8 or 1/4 chance. I don't know about the last question. it might be 5/9 but I don't know sorry.

4 0
2 years ago
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