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Ket [755]
3 years ago
7

7x ^4 minus 5x ^4 =

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0

Answer:

2x^{4}

Step-by-step explanation:

You would subtract 7 and 5 and you would leave the exponent so it would be 2x^{4}

Hitman42 [59]3 years ago
6 0

Answer:

Step-by-step explanation:

2x^4

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Kayla went deep sea fishing. She cast her line 15 feet underneath the water. Which number best represents this integer?
Alenkasestr [34]

Answer:

-15

Step-by-step explanation:

since there is a keyword below or underneath that would be negative space so yeah negative 15 :)

7 0
3 years ago
One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he conuted 74 heads and 196 l
den301095 [7]
37 horses and 37 people

4 0
3 years ago
A rule of thumb for estimating the size of a crowd is that 2 people take up
Leno4ka [110]

Answer:

120 people

Step-by-step explanation:

Length of dance floor = 30 ft

Width of dance floor = 20 ft

Given that 2 people will occupy 5 ft² of space, the number of people that will crowd the floor of the dance floor is calculated as follows:

= Area of dance floor ÷ 5 ft²

= (30*20) ÷ 5

= 600 ÷ 5

= 120.

120 people will crowd the dance floor.

8 0
3 years ago
Write the product (4 + i)(4 − i) in the form a + bi. A. 16 − i B. 16 − i2 C. 17 D. 8
bonufazy [111]

Answer:

A.16–i is correct.

Step-by-step explanation:

(4+i)(4–i). [(a+b)(a–b)=(a²–b²)]

(4²–i²)=16–i

I hope this answer is correct so please vote my answer

3 0
3 years ago
MATH :((<br>how do the chart??<br><img src="https://tex.z-dn.net/?f=%20-%20x%20%20%5E%7B2%7D%20%20-%209%20%5Cgeqslant%200" id="T
siniylev [52]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

-x^2-9\geq0\qquad\text{change the signs}\\\\x^2+9\leq0\\\\\text{the parabola}\ x^2\ \text{is op}\text{en up and shifted 9 units up. Therefore is whole}\\\text{over the x-axis (only positive values)}.\\\\\bold{CONCLUSION}:\\\\\bold{no\ solution}

5 0
3 years ago
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