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3 years ago

Last question for today:

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

7 0

Answer:

6+x

6 x

Step-by-step explanation:

The top question mark is 6+x. The bottom left question mark represents 6 unit squares and should be changed to 6. The large block on the right which has unknown value is x. Change the bottom right question mark to x.

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How do I work this out I need full answer im lost

taurus [48]

Answer:

7x = 35cm ; 2x = 10cm

Step-by-step explanation:

7x and 2x are the lengths

7x+2x=45

Then you take 7 + 2 = 9

so is gonna be 9x = 45

then you divide both side with 9

so is gonna be x = 5

Then you take 5 multiply 7 : 2

so 7 x 5 = 35cm

2 x 5 = 10cm

7 0

3 years ago

you are given an 8-gallon jug filled with water and also two empty jugs: one that holds 5 gallons and other that holds 3 gallons

Yanka [14]

Answer:

Step-by-step explanation:

We will use following steps to measure exactly 4 gallons of water with the help of 5 gallons and 3 gallons empty jugs.

1). Fill 3 gallons jug completely.

2). Pour this 3 gallons of water into 5 gallons jug. Now we have 3 gallons of water in 5 gallons jug and 3 gallons jug empty.

We can add 2 gallons of water in the empty space of 5 gallons jug more.

3). Fill the 3 gallons jug with the water again.

4). Pour this water into 5 gallons jug which can hold 2 gallons of water more.

Now we have 5 gallons of jug filled fully and 1 gallon water remaining in the 3 gallons jug.

5). Empty the 5 gallons jug completely.

6). Pour the remaining 1 gallon of remaining water in 3 gallons jug into 5 gallons jug.

7). Fill the 3 gallons jug completely and pour it into 5 gallon jug.

8). Finally we have 4 gallons of water in the 5 gallons jug.

8 0

3 years ago

Write the equation of a line that goes the through the point (4 , -2) and is parallel to the line y = 3x - 1/3.

nataly862011 [7]

Answer:

y = 3x - 14

Step-by-step explanation:

If a line is parallel to another, it will have the same slope

So, the line's slope will be 3

Plug in the given point and the slope into y = mx + b, and solve for b

y = mx + b

-2 = 3(4) + b

-2 = 12 + b

-14 = b

Plug in the slope and b into y = mx + b

y = 3x - 14

So, the equation is y = 3x - 14

4 0

3 years ago

(-22, -3) and (1, -3)?

just olya [345]

Step-by-step explanation:

$(x1y1) = ( - 22 - 3) \\ (x2y2) = (1 - 3) \\ d = \sqrt{ {x 2 - x1) }^{2} } + {(y2 - y1) }^{2} \\ \sqrt{ {(1 - - 22)}^{2} } + {( - 3 - - 3)}^{2} \\ \sqrt{ {(1 + 22)}^{2} } + {(0)}^{2} \\ \sqrt{ {(23)}^{2} } \\ = 23 \: \: \: \: answer \: \: \: please \: \: supprt \: \: and follow \: \: me$

7 0

3 years ago

30 POINTS!! ASAP! PLS SHOW WORK

sp2606 [1]

Answer:

QII

Step-by-step explanation:

We can use the acronym: ASTC or All Students Take Calculus.

The first letter of each word tells us details within a certain quadrant.

All trig functions in QI will be positive.

Only sine (and cosecant) will be positive in QII.

Only tangent (and cotangent) will be positive in QIII.

And only cosine (or secant) will be positive in QIV.

We know that tan(θ)<0. In other words, it's negative.

So, it our angle θ <em>cannot</em> be in QI or QIII.

We also know that cos(θ)<0.

So, this removes QIV, since in QIV, cosine is positive.

Therefore, the only choices that remains is QII.

In QII, sine is positive, tangent is negative, and cosine is negative.

This fits all our conditions, so θ is in QII.

And we're done!

3 0

3 years ago