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zalisa [80]
3 years ago
13

The quotient of a number and 4 is greater than or equal to 39

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

x/4 ≥ 9    is the expression you want

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What is the unit rate for 768.57 m 41.1 h
kondor19780726 [428]

Answer: 18.7 mph

Step-by-step explanation:

We want a unit rate where 1 is in the denominator, so we divide top and bottom by 41.1

***If you found my answer helpful, please give me the brainliest. :) ***

5 0
3 years ago
Add or subtract. Write fractions in simplest<br> form.<br> 4 2/5 - (- 6 1/2)=
Arte-miy333 [17]

Answer:

10 9/10

10.9

109/10

they all should be correct. depends on what they're asking for though:)

6 0
3 years ago
Need help with inscribed angles If M
Bogdan [553]

Given:

In the given circle O, BC is diameter, OA is radius, DC is a chord parallel to chord BA and m\angle BCD=30^\circ.

To find:

The m\angle AOB.

Solution:

If a transversal line intersect two parallel lines, then the alternate interior angles are congruent.

We have, DC is parallel to BA and BC is the transversal line.

\angle OBA\cong \angle BCD        [Alternate interior angles]

m\angle OBA=m\angle BCD

m\angle OBA=30^\circ

In triangle AOB, OA and OB are radii of the circle O. It means OA=OB and triangle AOB is an isosceles triangle.

We know that base angles of an isosceles triangle are congruent.

\angle OAB\cong \angle OBA      [Base angles of an isosceles triangle]

m\angle OAB=m\angle OBA

m\angle OAB=30^\circ

In triangle AOB,

m\angle OAB+m\angle OBA+m\angle AOB=180^\circ

30^\circ+30^\circ+m\angle AOB=180^\circ

60^\circ+m\angle AOB=180^\circ

m\angle AOB=180^\circ-60^\circ

m\angle AOB=120^\circ

Therefore, the measure of angle AOB is 120 degrees.

6 0
2 years ago
The quadratic function below has an axis of symmetry through x = -4; a vertex at (-4, -9) and zeroes at x = -7 and x = 0.
Pavlova-9 [17]

Answer:

True

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (- 4, - 9), thus

y = a(x + 4)² - 9

To find a substitute the coordinates of the zero (- 7, 0) into the equation.

0 = a(- 7 + 4)² - 9, that is

0 = 9a - 9 ( add 9 to both sides )

9a = 9 ( divide both sides by 9 )

a = 1, thus

y = (x + 4)² - 9 ← expand factor using FOIL

y = x² + 8x + 16 - 9

y = x² + 8x + 7

4 0
2 years ago
Find the area Hint:Triangle and semi-circle
sergeinik [125]

Answer:

The triangle formula is always base times height divided by 2 I forgot the circle formula

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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