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mr Goodwill [35]
3 years ago
14

What is the answer for this?.-4 - 5 = □

Mathematics
2 answers:
tamaranim1 [39]3 years ago
8 0
The answer is negative nine (-9)
Monica [59]3 years ago
3 0
Basically it's (-4)+(-5)

So you add them but keep their negative value sign "-" in front of the result.

So -4 plus -5 is -9
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Consider the following Function:<br> F(x)= 7x-9<br><br><br> If the output is 26, what is the input?
Wewaii [24]
<h2><em><u>Answ</u></em><em><u>er</u></em><em><u>:</u></em><em><u>-</u></em></h2>

★ Input of the given function F(x) is 5.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

<h3>• <u>Given</u><u>:</u><u>-</u></h3>

✯ F(x) = 7x - 9

✯ Output = 26

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

<h3>• <u>Solution</u><u>:</u><u>-</u></h3>

According to the question the output is 26.

Hence, the above data can be written in an equation form.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

➪ F(x) = 7x - 9 = 26

➪ 7x = 26 + 9

➪ 7x = 35

➪ \sf x = \dfrac{35}{7}

➪ \bold\red{x = 5}

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore, F(x) = 5

6 0
3 years ago
An airplane is flying at 180mph. A jet flying at 330 mph leaves 1 hour later traveling in the same direction. How long will it t
zimovet [89]

To solve this problem, let us first assign some variables. Let us say that:

v1 = velocity of airplane = 180 mph

t1 = time travelled by airplane

v2 = velocity of jet = 330 mph

t2 = time travelled by jet

 

Since we know that distance is the product of velocity and time, and that the distance travelled by the two must be equal for the jet to catch up to the plane, hence:

v1 * t1 = v2 * t2

But we know that:

t1 = t2 + 1

Therefore:

180 (t2 + 1) = 330 t2

180 t2 + 180 = 330 t2

150 t2 = 180

t2 = 1.2 hours

 

<span>Therefore the jet can catch up to the plane after 1.2 hours it takes off.</span>

4 0
3 years ago
WILL MARK BRAINLIEST 3 people were deserted on this island. When a boat rescued them
Kaylis [27]

Answer:

Because all of those things you listed mean "Water:

Step-by-step explanation:

I have a brain

8 0
3 years ago
The Precision Scientific Instrument Company manufactures thermometers that are supposed to give readings of 0°C at the freezing
noname [10]

Answer:

School questions are kinda randomly generated but for the most part the answer is mostly B or C

Step-by-step explanation:

B or C

4 0
3 years ago
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A company plans to build at least 152 igloos in a single week by employing skilled workers from the cities of Tomsk and Kyzyl. A
xxTIMURxx [149]

Answer:

Each Tomskian build 6 igloos per week.

Each Kyzylian build 5 igloos per week.

Step-by-step explanation:

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The inequality: 6T+5K\geq152 represents the situation that a company plans to build at least 152 igloos in a single week by employing T Tomskians and K Kyzylians.

We can see that 6T represents the number of igloos made by T Tomskians in one week and 5K represents the number of igloos made by K Kyzylians in one week .

Since all Tomskians and Kyzylians build the same number of igloos per week, therefore, each Tomskian build 6 igloos per week and each Kyzylian build 5 igloos per week.

6 0
3 years ago
Read 2 more answers
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