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2 years ago

Twice h increase by 5

Mathematics

1 answer:

ANTONII [103]2 years ago

3 0

Answer:

2h + 5

Step-by-step explanation:

twice h is 2h

increased is to add

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Please help! Late work!

frosja888 [35]

(40+41+41+45+48+48+49+49+49+40)/10 = 460/10 = 46

mean = 46

3 0

2 years ago

the question is in the picture below, if you could show all your work so i can see how to do it, that would be appreciated.

ki77a [65]

m∠R = 27.03°

Solution:

Given In ΔQRP, p = 28 km, q = 17 km, r = 15 km

To find the measure of angle R:

Law of cosine formula for ΔQRP:

$r^{2}=p^{2}+q^{2}-2 pq \cos R$

Substitute the given values in the above formula.

$(15)^{2}=(28)^{2}+(17)^{2}-2 (28)(17) \cos R$

$225=784+289-952 \cos R$

$225=1073-952 \cos R$

Switch the given equation.

$1073-952 \cos R=225$

Subtract 1073 from both side of the equation.

$-952 \cos R=-848$

Divide by –952 on both sides.

$$ \cos R=\frac{106}{119}$

$$ R=\cos^{-1} \left(\frac{106}{119}\right)$

$R=27.03^\circ$

Hence m∠R = 27.03°.

7 0

3 years ago

Write this number in scientific notation 0.000000358

Fittoniya [83]

Step-by-step explanation:

0.000000358 written as scientific notation is

$3.58 \times {10}^{ - 7}$

8 0

3 years ago

BRAINLIEST!!! Plz help ASAP

Svetllana [295]

Answer: R = (4, 5)

Step-by-step explanation: Midpoint is simply the center of a line. So, the equation for it is ((x1+x2)/2, (y1+y2)/2). Hence for this,

x coordinate- (6+x)/2=5

x=4

y coordinates- (9+y)/2=7

y=5

And therefore R is (4, 5)

6 0

3 years ago

What is located at the reflection of (-3,-4) across the y-axis. What are the coordinates of this location

zlopas [31]

Answer:

(3, - 4)

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ), hence

(- 3, 4 ) → (3, - 4 )

6 0

3 years ago