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mihalych1998 [28]
3 years ago
8

Question 517 > NEXT BOOKMARK Xa PLAY STOP 5 Sally has a discount card that reduces the price of her grocery bill in a certain

grocery store by 5%. ficrepresentes of Sallys groceries, which expression represents Sally's grocery bill? A 0.050 B) 0.950 CC-0.05 D) C+0.95​
Mathematics
1 answer:
VladimirAG [237]3 years ago
7 0

Answer:

sorry in speak ingles yes

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(-30(-7))-(210(-3))=
Vlad [161]

Answer:

840

Step-by-step explanation:

(−30)(−7) − (210)(−3)

=210 − (210)(−3)

=210 − (−630)

=840

Hope this helps!

brainliest?

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3 0
2 years ago
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What does 9(3j-6) equal?
Bezzdna [24]
9(3j-6) = 27j - 54

<span>Note: a(b-c) = ab - ac</span>
8 0
3 years ago
A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mixture that co
White raven [17]

Answer:

The value of x would be \frac{3}{5}y or \frac{3}{8}z

Step-by-step explanation:

Given,

x tons of 10% gravel G mixture is mixed with y ton of 2% gravel G to obtain  5% gravel mixture,

Thus, gravel G in x ton + gravel in y ton = gravel G in the resultant mixture,          

⇒ 0.1x + 0.02y = 0.05(x+y),

0.1x - 0.05x = 0.05y - 0.02y

0.05x = 0.03y

\implies x = \frac{0.03}{0.05}y=\frac{3}{5}y----(1)

Now, resultant mixture is z ton,

i.e. z=x+y

\implies y = z - x

From equation (1),

x=\frac{3}{5}(z-x) = \frac{3}{5}z-\frac{3}{5}x

x+\frac{3}{5}x=\frac{3}{5}z

\frac{8}{5}x=\frac{3}{5}z

x=\frac{3}{8}z

3 0
3 years ago
Find the area and perimeter of a rectangle with a length of (6x2-10) and a width of (4x+3)
mestny [16]

Answer:6x2=12-10=2 and 4×+3=12

Step-by-step explanation:

5 0
3 years ago
Write an equation in slope-intercept form (y = mx + b) , that perpendicular to y = 2x - 4 that passes through the point (3, - 3)
FromTheMoon [43]

Answer:

Step-by-step explanation:

perp. -1/2

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y = -1/2x - 3/2

8 0
2 years ago
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