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3 years ago

Please hurry I will mark you brainliest

Mathematics

2 answers:

pantera1 [17]3 years ago

6 0

Three angles are not acute

so it is false

sergejj [24]3 years ago

3 0

Answer:

This is false

Step-by-step explanation:

If the interior angles are in the ratio 4:3:2:1, let "a" represent the last angle. Then, the other angles are 2a, 3a, and 4a. The sum of the angles in a quadrilateral is 360°. So, only two angles are acute not 3

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X+y =10<br> Y=-x+10<br> System of equations

katovenus [111]

Answer:

Infinite solutions

Step-by-step explanation:

x + y = 10

y = -x + 10

We'll choose one equation to use, x + y = 10

Substitute y with -x + 10

x - x + 10 = 10

x cancels each other out

10 = 10, which would also mean 0 = 0

This means the answer will validate with any number

3 0

3 years ago

The sum of Jim's weight and Bob's weight is 180 pounds. If you subtract Jim's weight from Bob's weight, you get half of Bob's we

Furkat [3]

Answer:

120 pounds

Step-by-step explanation:

We can use systems of equations to solve this problem. Assuming j is Jim's weight and b is Bob's weight, the equations are:

j + b = 180

b - j = 1/2b

Let's get b - j = 1/2b into standard form (b, then j, then the equal sign, then the constant.)

$b - j = \frac{b}{2}\\\frac{b}{2} - j = 0$

Now we can solve using the process of elimination.

$b + j = 180\\\\\frac{b}{2} - j = 0\\\\b + \frac{b}{2} = 180\\\\b + b \cdot 2 = 180\cdot 2\\3b = 360\\b = 120$

Now we know how much Bob weighs, for fun, let's find Jim's weight by substituting into the equation.

$120 + j = 180\\j = 180-120\\j = 60$

So Bob weighs 120 pounds and Jim weight 60 pounds.

Hope this helped!

4 0

3 years ago

Read 2 more answers

The middle questions answer, plz help

Nookie1986 [14]

Im pretty sure its 58. your welcome

6 0

4 years ago

Read 2 more answers

What is the explicit formula for the sequence 99, 81, 63, 45, … <br> help?

julia-pushkina [17]

It’s a geometric sequence. search up the forum ola

3 0

3 years ago

Can someone help me out

TiliK225 [7]

Answer= i believe it’s gonna be “100” as well

7 0

3 years ago