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2 years ago

6

Mathematics

1 answer:

xenn [34]2 years ago

5 0

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Find h. plz answer thank you

astra-53 [7]

Answer:

$\frac{15}{h} = \frac{20}{30} \\ 15 \times 30 = 20 \times h \\ h = \frac{450}{20} \\ h = 22.5$

7 0

2 years ago

Find all the real fourth roots of 0.0001.

Viktor [21]

Answer:

-0.1 and 0.1

Step-by-step explanation:

A fourth root is a number which multiplied by itself 4 times gives 0.0001.

Since it is an even root and the result is positive, the answer must include both negative and positive values. This is true since a negative times a negative is a positive.

0.1*0.1*0.1*0.1 = 0.0001

So the real fourth roots are -0.1 and 0.1.

7 0

3 years ago

Which equations are true for the values of x, y, and z? Select three options.

OLEGan [10]

Answer:

A) x degrees + 65 degrees = 180 degrees

B) x degrees = z degrees

C) y degrees = 65 degrees

Step-by-step explanation:

Refer the attached figure

So, $\angle AOB = \angle COD (\text{Vertically opposite angles})$

$\angle AOB = 65^{\circ}$

$\angle COD = y$

So, $y=65^{\circ}$

$\angle AOB + \angle BOC = 180^{\circ} (\text{Linear pair})$

$\angle AOB = 65^{\circ}$

$\angle BOC = x$

So, $x+65^{\circ}=180^{\circ}$

$\angle BOC = \angle AOD (\text{Vertically opposite angles})$

So, x = z

So, Option A ,B and C are true for the values of x, y, and z

3 0

2 years ago

Read 2 more answers

1. Jon buys 3 shirts for $20 . 2. And Brenda records 76 songs on 4 albums.

goldfiish [28.3K]

Each shirt would cost abour 6.66

and each album would have 19 songs in it

5 0

2 years ago

En la figura a:b = 5:3 y c = 15. ¿Cuánto mide el trazo d? a) 1 b) 7 c) 9 d) 15 e) 25

LuckyWell [14K]

Yo me voy con c) 9
porque c is igual a ax3= 5x3
pienso que d deveria ser igual a bx3= 3x3
espero te ayude yo no lo estudie en espanol y pienso que cada pais nos ensena differente y perdon por mi espanol pero mi teclado es differente. :)

7 0

2 years ago