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2 years ago

Given STU and DEF what is m

Mathematics

1 answer:

klasskru [66]2 years ago

7 0

answer: u = 47

step by step explanation:

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Which of the following are solutions to the equation below?

Elodia [21]

Answer:

x = -3, -6.

Step-by-step explanation:

3x2 + 27x + 54 = 0

Divide through by 3:

x^2 + 9x + 18 = 0

(x + 3)(x + 6) = 0

x = -3, -6.

4 0

2 years ago

Read 2 more answers

Solve each inequality. Graph the solution on a number line.

Kamila [148]

Step-by-step explanation:

Step 1: Find the solution for the first one

$4x > -36$

$4x / 4 > -36 / 4$

$x > -9$ ← Solution

Step 2: Find the solution for the second one

$7u\le-49$

$7y/7\le-49/7$

$y \le -7$ ← Solution

Step 3: Find the solution for the third one

$-5m \ge 15$

$-5m / -5 \ge 15 / -5$

$m \le -3$ ← Solution

Step 4: Find the solution for the fourth one

$-2p > -3$

$-2p / -2 > -3 / -2$

$p < 1.5$ ← Solution

Step 5: Find the solution for the fifth one

$45 \le - 10r$

$45 / -10 \le -10r / -10$

$-4.5 \ge r$ ← Solution

Step 6: Find the solution for the sixth one

$-66 \ge -11t$

$-66 / -11 \ge -11t / -11$

$6 \le t$ ← Solution

6 0

2 years ago

Which statement is true about a circle? A. A circle's area and circumference are always equal B. A circles area and circumferenc

Nuetrik [128]

Answer:

Option D. A circles area and circumference are only equal when the radius is 2 units.

Step-by-step explanation:

we know that

The area of circle is equal to

$A=\pi r^{2}$

The circumference of a circle is equal to

$C=2\pi r$

equate both formulas

$\pi r^{2}=2\pi r$

simplify

$r^2=2r\\r=2$

therefore

A circles area and circumference are only equal when the radius is 2 units.

7 0

3 years ago

PLEASE show your work!

klemol [59]

For Question 2

Answer:

two lines share exactly one common point

Step-by-step explanation:

When two lines share exactly one common point, they are called the intersecting lines. The intersecting lines share a common point. And, this common point that exists on all intersecting lines is called the point of intersection. The two non-parallel straight lines which are co-planar will have an intersection point.

8 0

1 year ago

Ayudaaa de nuevooo

Zigmanuir [339]

1) lavadora tipo A---> 3 tipos de carga, 5 colores, automatica o semiautomatica
Lavadora tipo A se puede elegir ------------- > 3*5*2=30 formas diferentes

lavadora tipo B---> 4 tipos de carga, 3 colores, automatica o semiautomatica
Lavadora tipo B se puede elegir ------------- > 4*3*2=24 formas diferentes

las dos lavadoras serian=30+24=54 maneras

2) a) ¿De cuántas maneras diferentes se puede contestar el examen?
-----------> 4*4*4*4*4*4*4*4=4^8=65536 maneras

b) Si al leer el examen te das cuenta que te sabes bien 3 de las preguntas, ¿de cuántas maneras puedes contestar el resto del examen?
si sabes 3 te quedan (8-3)=5 preguntas
---------> 4*4*4*4*4=4^5=1024 maneras

5 0

2 years ago