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Daniel [21]
3 years ago
6

Solve 3( − 3 −3 x ) + 4 = − 53 ( − 3 − 3 x ) + 4 = − 5.

Mathematics
1 answer:
Rashid [163]3 years ago
8 0
-9-9x+4=159+159x+4=-5
-5-9x=163+159x=-5
+5       +5
-9x=168+159x=-5
+9x        +9x
168+168x=-5
-168           -168
168x=-173
x= 
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If line segment ab=7cm draw a perpendicular at a point c on line ab such the ac=3.5cm
Reil [10]

See attachment for the drawing of the perpendicular at a point c on line ab such the ac = 3.5 cm

<h3>How to draw the perpendicular at a point c on line ab such the ac = 3.5 cm?</h3>

The given parameters are:

Length of segment AB = 7 cm

Also, we have:

Point C is located on line segment AB

This means that:

Length of segment AC = Length of segment BC = 3.5 cm

When represented on a line segment, we have:

A          C          B

See attachment for the drawing of the perpendicular at a point c on line ab such the ac = 3.5 cm

Read more about perpendicular line at:

brainly.com/question/1865107

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6 0
1 year ago
It is important to know the appropriate dose of ibuprofen for a child so that you are ready in the case of high fever. The dosin
Alexus [3.1K]

Answer:

102 mg

Step-by-step explanation:

Let's convert 28 pounds to kgs.

Since 1 kg = 2.2 pounds, we can find:

\frac{1Kg}{2.2Pounds}=\frac{xKg}{28Pounds}\\1*28=2.2x\\28=2.2x\\x=\frac{28}{2.2}\\x=12.73

So 28 pounds is 12.73 Kg

Since 8mg is given per kg, for 12.73 kg, the amount given should be:

12.73 * 8 = 101.84

Rounded to nearest whole number, that is, 102 mg

8 0
3 years ago
Read 2 more answers
Sage and Tom started the month with the same number of talk minutes on their cell phones. Sage talked for 7 minutes with her dad
Paraphin [41]

Answer:

a. Sage and Tom have the same number of talk minutes left on their cell phone plans.

b. y = x - 7

Explanation:

Sage talked for 7 minutes with her dad.

Tom talked for 4 minutes with a friend and 3 more minutes with his mom which means he spoke for :

= 4 + 3

= 7 minutes

They both spoke for 7 minutes and therefore have the same amount of time left.

Algebraic expression:

Assuming the time Tom started with is denoted by x and the time he is left with is denoted by y.

The expression is:

y = x - 7

6 0
3 years ago
A line has a slope of -5/3. Through which two points could this line pass?
ladessa [460]
If there is no other context, you could use the points (0,0) and (3,-5) because you move down 5 and to the right 3. 
3 0
3 years ago
A store donated 2 1/4 cases of crayons to a daycare center. Each case holds 24 boxes of crayons; each box holds 8 crayons. How m
Westkost [7]

Answer:

432 crayons

Step-by-step explanation:

convert 2 1/4 to 9/4

1 case=24 boxes=8 crayon in each box

24*8=192 for 1 case

9/4*192=432

The center received 432 crayons  

5 0
3 years ago
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