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Marrrta [24]
3 years ago
9

Lisa is loading 75 chairs into a truck. If h represents the number of chairs that she can carry in one load, which

Mathematics
2 answers:
aksik [14]3 years ago
7 0
75-h
hope this helps
sorry if its wrong
nekit [7.7K]3 years ago
4 0
75 divided by h because if she can carry 75 chairs in one load, you will need to divide to figure out how many loads she has to complete so all the chairs can be brought in.
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Jeff finds some bugs. He finds 10 fewer grasshoppers than crickets. He finds 5 fewer crickets than ladybugs. If Jeff finds 5 gra
AlexFokin [52]
If Jeff has 5 grasshoppers, then he would have 15 crickets because x(grasshoppers)+10=y(crickets), and y(crickets)+5=z(ladybugs), which would leave Jeff with 20 ladybugs.
3 0
3 years ago
9x ≥117 which numbers below belong to the solution set of the inequality
lakkis [162]
9 x ≥ 117

Divide both sides by 9 :

9 x / 9 ≥ 117 / 9

x = 117 / 9

x ≥ 13

hope this helps!
7 0
3 years ago
9. Solve the following system of equations. x + 2y − 6 = z 3y − 2z = 7 4 + 3x = 2y − 5z A. x = 0, y = 5, z = 4 B. C. D. x = 2, y
Inessa [10]
X + 2y - 6 = z..........x + 2y - z = 6
3y - 2z = 7
4 + 3x = 2y - 5z.....3x - 2y + 5z = -4

x + 2y - z = 6.....multiply by -3
3x - 2y + 5z = -4
---------------------
-3x - 6y + 3z = -18 (result of multiplying by -3)
3x - 2y + 5z = -4
--------------------add
-8y + 8z = - 22

-8y + 8z = -22
3y - 2z = 7 .....multiply by 4
----------------
-8y + 8z = -22
12y - 8z = 28 (result of multiplying by 4)
----------------add
4y = 6
y = 6/4 reduces to 3/2

-8y + 8z = -22
-8(3/2) + 8z = -22
-12 + 8z = -22
8z = -22 + 12
8z = -10
z = -10/8 reduces to -5/4

x + 2y - 6 = z
x + 2(3/2) - 6 = -5/4
x + 3 - 6 = -5/4
x - 3 = -5/4
x = -5/4 + 3
x = -5/4 + 12/4
x = 7/4

solution is (7/4, 3/2, -5/4).....x = 7/4, y = 3/2, and z = -5/4
4 0
3 years ago
Step by step to find the scientific notation for 1.3 x 10^9?
lakkis [162]

Answer:

117000000000

Step-by-step explanation:

117000000000

=1.17^11

or 1.17e+11

8 0
3 years ago
Find the slope of the line passing through the points(3, -4) and q(-7,1). then find the equation of the line passing through tho
IRISSAK [1]
Slope is -4-1/-7-3= -5/-10=1/2 it is y2-y1/x2-x1
the equation is y-y1= m(x-x1)= y-(-4) =1/2(x-3) =y+4 =1/2(x-3)
5 0
3 years ago
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