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Sedaia [141]
3 years ago
13

17+(−8)+(−8) CAN YOU HELP GUY pls

Mathematics
2 answers:
Andrej [43]3 years ago
8 0

Easy :PP

<h3>Answer~ </h3>

1

<h3>Explination~</h3>
  • <em>you would start by adding (-8)+(-8)</em>

-8 + -8

=

-16

  • <em>Then add 17</em>

-16 + 17

=

1

<h2><u><em>------------------------------------------------------------------------</em></u></h2><h3>hope I helped!!</h3>

professor190 [17]3 years ago
3 0

Answer:

1

Step-by-step explanation:

17 + (-8) + (-8) = 17 + (-16)

                      = 1

If two numbers have same sign, then add and put the sign.

So, add (-8)and (-8), the result will have the sign (-).  -16

If two numbers have different sign, subtract and the result will have the sign of the bigger number.

17 and (-16) have different sign and the bigger number sign is +

So, the result is 1

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Sauron [17]

Answer:

If they're equal set them equal to each other if they're supplementary you set up an equation. Where you add them up and set them equal to 180. And then you just want to solve for X.

5 0
3 years ago
There are 212 students in the 8th grade class. The number of girls is 49 less than twice the number of boys. How many girls and
Anna71 [15]

Answer:

girls = 125

boys = 87

Step-by-step explanation:

Total number of students in the 8th grade class = 212

Let g represent girls and b represent boys

Number of girls, g = 2b -49

Note that boys and girls in the class give a total of 212

So,

g + b = 212 ....eq 1

Slot in the value of g in the equation

2b - 49 + b = 212

2b + b - 49 = 212

3b - 49 = 212

Add 49 to both sides

3b - 49 + 49 = 212 + 49

3b = 261

Divide both sides by the coefficient of b which is 3

b = 87

Now that we've found the number of boys, let's find that of girls

We will slot in the value of b in eq 1

g + 87 = 212

Subtract 87 from both sides

g + 87 - 87 = 212 - 87

g = 125

So the number of boys is 87 and the number of girls is 125

8 0
3 years ago
What value of t satisfies the equation t/8-3/4=9/16
kogti [31]
\frac{t}{8} - \frac{3}{4} = \frac{9}{16}   Multiply both sides by 8 to get t out of the fraction
t - \frac{3 x 8}{4} = \frac{9 x 8}{16}   Simplify the numerators
t - \frac{24}{4} = \frac{72}{16}   Divide the fractions
t - 6 = 4 \frac{1}{2}   Add 6 to both sides
t = 10 \frac{1}{2}

3 0
3 years ago
To prove that ΔDEF ≅ ΔDGF by SAS, what additional information is needed?
bearhunter [10]

Given: In  ΔDEF  and ΔDGF, Side DF is common.

To prove congruent of the triangle, we must require the minimum three conditions; like two sides and one angle of one triangle should be equal to the other triangle. OR Three sides of one triangle should be equal to the other triangle. OR Two angles and one side of one triangle should be equal to the other triangle. etc.  

As per given question, to prove congruent of given triangles by SAS property then we should have given two sides and one angle of one triangle should be equal to the other triangle as additional information.  

Since,  In  ΔDEF  and ΔDGF, Side DF is common. So, we should require only one side and one angle that should be equal to another triangle.

8 0
4 years ago
Read 2 more answers
Mallory has five dollars in her wallet if this is 10% of her monthly allowance what is their monthly allowance​
Black_prince [1.1K]

Answer:

1. $50

2. B.

Step-by-step explanation:

1. Since Mallory has 5 dollars, and that’s 1/10 of her monthly allowance, then you multiply 5 by 10 to get 50 as her monthly allowance.

2. Since Addie has $12.59 in her wallet, the 9 has B. (9*0.01) value.

3 0
3 years ago
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