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3 years ago

8

callie spent 3/4 hour on a science report and 1/3 hour on a social studies report. What fraction of an hour longer did she spend

on the science report ?

1 answer:

seraphim [82]3 years ago

7 0

3/4+1/3=9/12+4/12=13/12 of an hour

13/12= 1 1/12

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Pls help me on this.......

Ganezh [65]

Hey there!

<u><em>Your answer is </em></u> $-4x+7$

<u>Here are the steps to solve:</u>

<em>Given:</em>

<em /> $-5x-(x-7)$

<em>Distribute negative sign:</em>

<em /> $-5x+x+7$

<em>Add like terms:</em>

<em /> $-4x+7$

Have a great day! Hope it helped!

7 0

2 years ago

PLZ HELP ASAP! WILL MARK BRAINLIEST!!

stepan [7]

Answer:

I believe this is right. Answer: 6/7

Step-by-step explanation:

5+1 = 6

The denominator stays the same.

6 0

3 years ago

1.1 solve for x, where 0°< x 90°. write your answer to one decimal place. 1.1.1 tanx=sin38° 1.1.2cosec( x+10°)=1.345

snow_lady [41]

The value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345 is 38.0

<h3>How to solve the trigonometry ratios?</h3>

The equations are given as:

tan(x)=sin38°

cosec( x+10°)=1.345

In tan(x)=sin38°, we have:

tan(x)=0.6157

Take the arc tan of both sides

x = 31.6

Also, we have:

cosec(x+10°)=1.345

Take the inverse of both sides

sin(x+10°) = 0.7434

Take the arc sin of both sides

x+10 = 48.0

Subtract 10 from both sides

x = 38.0

Hence, the value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345 is 38.0

Read more about trigonometry ratios at:

brainly.com/question/11967894

#SPJ1

5 0

2 years ago

Solve by using the perfect squares method.* x2 – 12x + 36 = 0

ElenaW [278]

$x^2 -12x + 36 = 0\\ \\ (x-6)^2= 0 \\ \\ x-6=0 \\ \\ x=6$

4 0

3 years ago

Read 2 more answers

−2(3x−4)−x−3=<br> \,\,33<br> 33

notsponge [240]

Answer: $=-7x+5$

Step-by-step explanation:

$-2\left(3x-4\right)-x-3$

$=-\left(2\left(3x-4\right)+x+3\right)$

$=-\left(6x-8+x+3\right)$

$=-\left(7x-5\right)$

$=-7x+5$

5 0

2 years ago