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Lynna [10]
3 years ago
12

(20 POINTS AND BRAINLIEST FOR BEST)

Mathematics
1 answer:
Bingel [31]3 years ago
3 0

Answer:

a.  8.5a + 38

b.  6+h+x

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Malcom is filling bags with rice . He starts with a 5 1/4 pound container of rice and fills each bag with 5/8 pounds of rice . H
timama [110]

Answer:

Malcolm would fill 8 bags of rice.

Step-by-step explanation:

The size of the container of rice = 5\frac{1}{4} pounds = \frac{21}{4} pounds.

Each bag of rice has a capacity of \frac{5}{8} pounds.

The number of bags of rice that Malcolm fills = \frac{total quantity of rice}{capacity of each bag}

                                          =  \frac{21}{4} ÷ \frac{5}{8}

                                          =  \frac{21}{4} x \frac{8}{5}

                                          = \frac{42}{5}

                                          = 8\frac{2}{5}

Therefore, Malcolm would be able to fill 8 bags of rice.

6 0
3 years ago
In triangle ABC segment DE is parallel to the side AC. (The endpoints of segment DE lie on the sides AB and BC respectively).
ivanzaharov [21]

Answer:

6 dm

Step-by-step explanation:

Triangle DBE is similar to triangle ABC, so their side lengths are proportional.

DE/AC = DB/AB

The length of DB can be found from ...

DB +AD = AB

DB = AB -AD = (15 -10) dm = 5 dm

So, we can fill in the proportion:

DE/(18 dm) = (5 dm)/(15 dm)

DE = (18 dm)·(1/3) . . . . . . . . . . simplify, multiply by 18 dm

DE = 6 dm

_____

It can be helpful to draw and label a figure.

5 0
3 years ago
The length of a dance floor to be replaced is 1 foot shorter than twice than width. You measured the width to be 12.25 feet. Wha
telo118 [61]
12.25x2=24.50 (width x2)
24.50-1=23.50 (length)


Area= LxW
        =23.50x12.25
        =287.88 feet

7 0
3 years ago
Read 2 more answers
What is the slope of the line 4x – 2y = 5?<br><br> –4<br> –2<br> 2<br> 4
Grace [21]

Answer:

It is 2.

Step-by-step explanation:

The equation becomes -2y=-4x=5

But you divide by -2 to get y solo. So -4/-2=2.

7 0
3 years ago
Read 2 more answers
If Q(x) = x2 + 3x + 2, find Q(-4).
lord [1]

Q(x)=x^2+3x+2

\\ \sf\longmapsto Q(-4)

\\ \sf\longmapsto (-4)^2+3(-4)+2

\\ \sf\longmapsto 16+(-12)+2

\\ \sf\longmapsto 16-12+2

\\ \sf\longmapsto 4+2

\\ \sf\longmapsto 6

3 0
3 years ago
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