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VMariaS [17]
4 years ago
10

Which are the solutions to the equation? x^2+6x=40​

Mathematics
1 answer:
Otrada [13]4 years ago
5 0
X= 4 or x= -10
You can factorise to (x+10)(x-4)
Make equal to 0 and solve each bracket
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If the tan x equals three fifths, what is y?
charle [14.2K]
Y=4√5. just in case you run into this question again i used the Pythagorean theorem. : )

8 0
4 years ago
analyze the diagram below and complete the instructions that follow . find the value of z. A.11 B.32 C.50 D.68​
masha68 [24]

Answer:

50

Step-by-step explanation:

x = √30² - 18² = √576 = 24

tan A = 18/24 = 3/4

∠A = ∠B

tan B = tan A = 24 / y = 3 / 4

y = (24 x 4) / 3 = 32

Z = y + 18 = 32 + 18 = 50

3 0
3 years ago
Z varies directly with X squared and inversely with Y. When X equals two and Y equals four, Z equals three. What is the value of
gayaneshka [121]

Answer:

B

Step-by-step explanation:

Set up the equation

z = \frac{kx^2}{y}

Plug in the numbers to find the value of k

3 = \frac{k(2^2)}{4}

12 = 4k

3 = k

Solve to find the value of z

z = \frac{3(4^2)}{9}

z = \frac{3(16)}{9}

z = 48/9

z = 16/3

8 0
3 years ago
(4²)³= ?<br><br> A.) 4⁵ <br> B.) 4⁶ <br> C.) 8⁵ <br> D.) 16⁵
STatiana [176]

Answer:

B

Step-by-step explanation:

you will multiply the exponents

8 0
3 years ago
Read 2 more answers
Which symbol makes this statement true? 0.35 ____ 1/4<br> &lt;, &gt;, =
alekssr [168]

Answer:

>

Step-by-step explanation:

if you change 1/4 into a decimal, it turns into 0.25. So 0.35 is greater than 0.25

4 0
3 years ago
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