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alex41 [277]
3 years ago
7

Need help on this... Thabks

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0
5(x+40-7) < 23

5x +33 < 23

5x < 23 -33

5x < -10

x < 2

Hope it helps I couldn’t do the line under the less than sign but I hope it helps!
You might be interested in
A sandwich costs 5:70 and a piece of fruit costs 2:15 if you have a 20 bill, how much change will you get ?
Gelneren [198K]
Well if you buy only 1 of each, it would cost you 7.85 in total. if you subtract that from 20, it equals 12.15.
you can also make it a linear equation if you want more or less than 1 fruit and or sandwich
s=sandwich
f=fruit
5.7f+2.15f=20
7 0
3 years ago
#7. What are the values/ how do I do it
Tasya [4]

Answer:

x =2

SK = 21

KY = 13

SY = 34

Step-by-step explanation:

we can see from the picture the following:

SK + KY = SY  equation 1

SK=13x-5    equation 2

KY = 2x+9    equation 3

SY = 36-x     equation 4

using equation 2, equation 3 and equation 4 in equation 1 we have:

13x - 5 +  2x + 9 = 36-x  

15x +4 = 36 - x

15x +x = 36-4

16x = 32

x = 32/16

x= 2

using x as 2 we evaluate it in equation 2, equation 3 and equation 4:

SK=13(2)-5 = 21

KY= 2(2) +9 = 13

SY = 36-2 = 34

5 0
3 years ago
What is the value of k in the equation 2/7(k+5/8)=2 2/7
shusha [124]
2/7 ( k+5/8) = 2 and 2/7

2/7 (k+5/8) = 16/7     |multiply by 7

2(k+5/8) = 16     |divide by 2

k+5/8 = 8     |subtract  5/8

k=8-5/8 = 7 and 3/8 = 27/8 = 7.375 


7 0
3 years ago
Please help geometry
sveta [45]

Answer:

The answer to your question is 11.4 units

Step-by-step explanation:

Data

A (-3, -1)

B ( 0, 3)

C ( 1, 2)

Perimeter = ?

Formula

d = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

Process

1.- Find the length between the points

dAB = \sqrt{0 + 3)^{2} + (3 + 1)^{2}}

dAB = \sqrt{3^{2}+ 4^{2}}

dAB = \sqrt{9 + 16}

dAB = \sqrt{25}

dAB = 5

dBC= \sqrt{(1 - 0)^{2} + (2 - 3)^{2}}

dBC = \sqrt{1^{2} + (-1)^{2}}

dBC = \sqrt{1 + 1}

dBC = \sqrt{2}

dAC = \sqrt{(1 + 3)^{2} + (2 + 1)^{2}}

dAC = \sqrt{4^{2} + 3^{2}}

dAC = \sqrt{16 + 9}

dAC = \sqrt{25}

dAC = 5

2.- Perimeter

P = AB + BC + AC

P = 5 + \sqrt{2} + 5

P = 10 + \sqrt{2}

P = 10 + 1.42

P = 11.4

7 0
3 years ago
Write the improper fraction as a mixed number, 17/5
Virty [35]
The improper fraction as a mixed number is 3 2/5
4 0
3 years ago
Read 2 more answers
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