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Temka [501]
3 years ago
14

4.2 + 3.5 + 0.5 + 4.0​

Mathematics
2 answers:
Alborosie3 years ago
6 0
The answer is 12.2
I calculated it on the calculator
Oduvanchick [21]3 years ago
3 0

Answer:

12.2

Step-by-step explanation:

i put it in my calculator and thats what i got

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Georgia [21]
The domain is all real numbers
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3 years ago
Each blank on the coordinate plane has an address called the blank,blank
Mkey [24]

Answer:

adress, Like ( make up an adress)

Step-by-step expanation:

6 0
3 years ago
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I did the first one I need help on this that’s all
Alenkasestr [34]

Answer:

m<A = 70 deg

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 deg. Add the three measures and set equal to 180. Solve for x. then use the value of x and the expression for m<A to find the measure of angle A.

m<A + m<B + m<C = 180

5x - 25 + 2x + 10 + 3x + 5 = 180

10x - 10 = 180

10x = 190

x = 19

m<A = 5x - 25 = 5(19) - 25 = 95 - 25 = 70

Answer: m<A = 70 deg

6 0
3 years ago
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Someone help me this is mathematics I NEED HELP PLZ
Arturiano [62]

Answer:

7a-12

Step-by-step explanation:

explanation is in the pic.

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6 0
3 years ago
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There are 750 toothpicks in a regular sized box. If a jumbo box is made by doubling all the dimensions of the regular sized box,
Serga [27]

To answer this, let the 3 sides of the regular sized rectangular box be x, y, and z.

When we double all the sides, the new sides have lengths 2x, 2y, and 2z, respectively.

Since the regular box (with dimensions x,y, and z) have 750 toothpicks, we can write

xyz=750

Similarly we can write for the jumbo box as,

(2x)(2y)(2z)

which is equal to 8(xyz)

So this is 8 times the original of xyz. Hence the jumbo box will have 8 times 750 number of toothpicks.

ANSWER: 8*750=6000 toothpicks

7 0
3 years ago
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