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fenix001 [56]
3 years ago
13

Help please if you can

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
6 0
What is the question?

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The model builder has 4 pieces of balsa wood that are 4 cm, 5 cm, 6 cm, and 7 cm length. How many different combinations of 3 pi
s2008m [1.1K]
About 22 i think hope it helps in any way

7 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
Work this out for me
bixtya [17]

Answer:

x = 129

Step-by-step explanation:

x and 51 are same- side exterior angles and supplementary, thus

x = 180 - 51 = 129

8 0
3 years ago
Read 2 more answers
HELP it's Geometry HW I WILL GIVE BRAIN LIST AND 5 STARS​
Margaret [11]
Number one: if line segments SR & RT are perpendicular line segment Tu and US are perpendicular and angle STR is congruent to angle TSU, then triangle TRS is congruent to triangle SUT
Number two: if line segment AC is congruent to line segment CB and line segment CB bisects line segment AB, then < a is congruent to < B
3 0
3 years ago
At a grocery store a cake was on sale for 22% off if the original price of the cake was c what is the sale price in terms of c
Harlamova29_29 [7]

Answer:

( 39/50 ) * c

Step-by-step explanation:

Sale price = Original price - Reduced price

                 = C - (C * 22%)

                 = ( 39/50 ) * c

[If there's any mistake, please inform me]

5 0
3 years ago
Read 2 more answers
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