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DedPeter [7]
3 years ago
11

Find the the first two steps necessary to simplify 16+4(3+8)2-21

Mathematics
1 answer:
kykrilka [37]3 years ago
8 0
Due the parentheses first so 16+4+11*2-21 then multiply 16+4+22-21 from here you can answer left to right 20+4+22-21 then 24+1=25
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If x=-2 substitute the value of x into the expression and simplify
uranmaximum [27]

Answer:

-17

Step-by-step explanation:

the expression is 6x-5

Substituting x=-2

6(-2)-5

(-12)-5=-17

7 0
3 years ago
Write the slope intercept form of the equation of each line given the slope and y intercept
drek231 [11]

Answer:

the slope intercept form would look like this: y=6/5x+(-2)

Step-by-step explanation:

How to write slope-intercept form:

y=(slope)x+(y-intercept)

If you have the y-intercept and the slope, you can figure out this form.

Hope this helped!! :)

4 0
3 years ago
What answer would this be (-3)(-5)(0)
DIA [1.3K]
-3 × -5 = -15
-15 × 0 = 0
6 0
4 years ago
Help plz:)))I’ll mark u Brainliest
Taya2010 [7]

Answer:

20 ft

Step-by-step explanation:

We know that the height of the object and the height of the shadow it casts are proportional. Therefore, if we let the length of the tree be x, we can set up the following proportion to solve for it:

\frac{5}{8}=\frac{x}{32}

Solving for x, we get:

\frac{5}{8}=\frac{x}{32}

8*x=5*32 (Cross-Products Property)

8x=160 (Simplify)

\frac{8x}{8}=\frac{160}{8} (Divide both sides of the equation by 8 to get rid of x's coefficient)

x=20 (Simplify)

Therefore, the tree is 20 ft tall. Hope this helps!

6 0
3 years ago
I need help with this this is the only question i have right now good luck.
dangina [55]
The mistake is that -7^2 is 49, not -49
8 0
4 years ago
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