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3 years ago

What’s 3.5 x 220 ? For personal training classes

Mathematics

1 answer:

balandron [24]3 years ago

4 0

Answer:

770

Step-by-step explanation:

3.5 x 220 = 770

770/3.5 = 220

770/220 = 3.5

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PLEASE HELP WILL BE GIVING BRAINLIEST!!! -13+13r≥-2(11-3r)-7

wlad13 [49]

Answer:

$r$ $\geq$ $\frac{-16}{7}$

Step-by-step explanation:

-13+13r $\geq$ -22+6r-7

bring all r and number one oppsite sides

13r - 6r $\geq$ -22-7+13

7r $\geq$ -16

r $\geq$ $\frac{-16}{7}$

mark me as branliest. ty

7 0

2 years ago

What is the measure of angle C? A 28° B 62° C 90° D. 10°

Ray Of Light [21]

For this case we have that by definition, the sum of the internal angles of a triangle is 180 degrees. So, we have:

$(5x + 12) + (6x + 30) + (2x + 8) = 180\\5x + 12 + 6x + 30 + 2x + 8 = 180$

We add similar terms:

$13x + 50 = 180\\13x = 180-50\\13x = 130\\x = \frac {130} {13}\\x = 10$

Answer:

$x = 10$

Option D

5 0

3 years ago

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There are 15 female students in Ms. Stell's World History Class. The ratio of females to males is 5:4. How many males are in her

adoni [48]

Answer:

Step-by-step explanation:

Since 15 is 3 times the ratio you multiply 4 by 3

3 0

3 years ago

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Is this true? if not what’s the answer asap!

tensa zangetsu [6.8K]

Answer:

$(x {}^{ - 4} ) {}^{2} \: = \: x {}^{ - 4 \times 2 } = \: x {}^{ - 8} = \: \frac{1}{ x {}^{8} }$

4 0

3 years ago

In the adjoining figure O is the centre of the circle the tangent to the circle of radius 6 cm from the exterior point P of the

slamgirl [31]

Answer:

Let P be the external point. O be the origin. join O and P get OP and nearest point on the circle from P be A.

Let Q be the point onthe circle in which, tangent make 90° with radius at Q.

PQ = 8 and OQ = 6

we get a right angled triangle PQO right angled at Q.

so, OP^2 = OQ^2 + PQ^2= 8^2 + 6^2 = 64 + 36 =1==

therefore OP =10cm

we need nearest point from P, which is PA

PA = OP - OA= 10 -6=4cm

7 0

3 years ago