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MATH SOLVE
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This quiz has 9 questions with 4 options for each question. if a student chooses answers randomly, what is the probability that he will get at least 7 answers correct
General
2 months ago
Which statements regarding the diagram of ΔEBC are true? Check all that apply.A. ∠BEC is an exterior angle.B. ∠DEC is an exterior angle.C. ∠ABE and ∠EBC are supplementary angles.D. ∠BCF and ∠BEC are supplementary angles.E. ∠BEC is a remote interior angle to exterior ∠BCF.
General
2 months ago
Alexis bake 90 pizzas each pizza is cut either into 8 small slices or 6 slices. Alexis has 5 small slices for every 3 large slices. How many of the 90 pizzas are cut into small slices?
General
2 months ago
The cost to mail a letter is a base charge of $0.42 plus $0.17 for each ounce. Write an expression to represent the cost for mailing a letter that is w ounces. Then find the cost for mailing a letter that is four ounces. 0.17 + 0.42w; $1.85 0.42 + 0.17w; $1.10 0.17 + 0.42w; $2.36 0.42 + 0.17w; $2.36
General
2 months ago
What does it mean for a point to be a solution to a linear equation?
General
2 months ago
What does an isometric transformation do?A. Changes the size and shape of a figure B. Preserves the size and shape of a figureC. Preserves the size of a figure, but not the shapeD. Preserves the shape of a figure,but not the size
General
2 months ago
Ray Cupple bought a basic car costing $26,500.00, with options costing $725.00. There is a 6% sales tax in his state and a combined $50.00 license and registration fee. What was Ray's total cost? A. $28,911.50 B. $28,908.50 C. $27,275.00 D. $28,865.00
General
2 months ago
Find the quantity if v=5i-7j and w=3i+2j
General
2 months ago
Claire purchases a new dress for the prom. The dress is priced $160, but it is on sale for 30% off. Claire’s aunt works at the store and can give her an additional 10% off. If the sales tax is 7.5%, how much does Claire pay for the dress?
General
2 months ago
What are the ratios of 5/4 inches to 2/3 inch in fraction and simplest form.
General
2 months ago
Kathryn draws three pairs of intersecting lines. In each figure, she measures a pair of angles. What is a reasonable conjecture for Kathryn to make by recognizing a pattern and using inductive reasoning? When a pair of lines intersect, the vertical angles are acute. When a pair of lines intersect, all of the angles formed are right angles. When a pair of lines intersect, the vertical angles are congruent. When a pair of lines intersect, all of the angles formed are congruent.
General
2 months ago
Use the table to write and solve an equation to tell you the number of minutes for which the cost of both phone companies is equal
General
2 months ago
If a(x) = 3x + 1 and b(x)= √x-4 , what is the domain of (b*a)(x)
General
2 months ago
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A. How fast did Car B travel? (The formula R⋅T=D , where R is the rate of speed, T is the time, and D is the distance can be used.) Enter your answer for the box.
General
2 months ago
Starting at sea level, a submarine descended at a constant rate to a depth of − 4/5 mile relative to sea level in 3 minutes.What was the submarine's depth relative to sea level after the first minute?
General
2 months ago
kevin walked 3/4 of a mile in 12 minutes. assuming he walked at a constant speed the entire time, which expression can be used to determine the distance he walked each minute?
General
2 months ago
A cube has an edge length of 9 centimeters. If the side length is increased by a factor of 3, how much larger is the perimeter of a face of the new cube?
General
2 months ago
There is an average of 3.5×10−2 kilograms of dissolved salt in each liter of seawater. The Pacific Ocean contains approximately 6.6×1020 liters of seawater. About how many kilograms of dissolved salt are in the Pacific Ocean? Enter your answer, in scientific notation, in the boxes. ×× 10 kg
General
2 months ago
An investment is currently worth 2.125×104 dollars . Ten years ago, the investment was worth 1.25×103 dollars. How many times greater is the value of the investment today than the value of the investment ten years ago? A 0.17 B 1.7 C 17 D 170
General
2 months ago
A 50-foot flagpole is at the entrance of a building that is 300 feet tall. If the length of the flagpoles shadow is 30 feet at a certain time of day, how long is the building's shadow at that time?
General
2 months ago
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