3 years ago

What is the value of the expression below? (9-3)+4(6-7) OOOO

Mathematics

2 answers:

allsm [11]3 years ago

8 0

Answer:2

Step-by-step explanation:

ollegr [7]3 years ago

4 0

Answer:

6+4*-1

6+-4

6-4=2 ;)))

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So I’m not smart so like help meh pleasee What is 49% of 200?

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Answer:98

Step-by-step explanation:

We assume, that the number 200 is 100%.if 200 is 100%, so we can write it down as 200=100%.We also know, that x is 49% of the output value, so we can write it down as x=49%.Now we have two simple equations:

1) 200=100%

2) x=49%

we multiply both sides of the equation by x.then we divide both sides of the equation.

3 0

3 years ago

PLEASE HELP

Viefleur [7K]

7x²=9+x
so
for
0=ax²+bx+c

$x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}$
so

7x²=9+x
mins 9 from both sides and minus x
7x²-1x-9=0
a=7
b=-1
c=-9

$x=\frac{-(-1)+/-\sqrt{(-1)^2-4(7)(-9)}}{2(7)}$
$x=\frac{1+/-\sqrt{(-1)^2+4(7)(9)}}{2(7)}$
so the 4th one

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3 years ago

Find the Measure of the missing angles.

Savatey [412]

Step-by-step explanation:

1= 118°+angle 1=180°

angle 1= 180°-118°=62°

angle 2=180°-135°=45°

angle 3=135°

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3 years ago

A person's heart rate is 65 beats per minute at rest. It increases by 12 beats per minute for each of

Blababa [14]

The heartbeat per minute is 137 i used calculator

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3 years ago

Find the area. 2 cm 6 cm 4 cm

hammer [34]

Answer:

A=1/2(a+b)h

A=1/2(2cm+4cm)6cm

A=1/2×6cm×6cm

A=18cm²

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3 years ago